Chapter Summaries

William took the broken gemstone and rescued Hermione, Phoebe, and the children from the collapsing cave, then escaped the Thunderbird with Dahei, Anne, and Gabrielle. The Thunderbird was left raging as it flew toward the coastline.

• William found a giant diamond in the cave, endured the Thunderbird’s lightning, and collected the seven pieces after it shattered the gemstone.
• Hermione and Phoebe watched Mormont fight Moose until William arrived, killed Moose, and learned Anne and Gabrielle had already escaped.
• William used Apparition to carry Hermione, Phoebe, and the children to safety at Biarritz, then returned to the island.
• William lured the Thunderbird away, rescued Dahei, and then carried Anne and Gabrielle off the island as the Thunderbird pursued them toward the coastline.

After rescuing the kidnapped children from the Werewolves, William arranged for Gabrielle and Anne to return to the hotel, then negotiated with Cregan about the Thunderbird. He left Cregan believing the Thunderbird threatened him while trying to make the French Ministry responsible for driving it away and secure compensation.

• Phoebe carried the exhausted Gabrielle back to the hotel, while Hermione took Anne and the black dog followed them.
• Cregan asked William what had happened to the Werewolves, and William said most were dead while some had escaped by Apparition.
• William proposed that the French Ministry handle the Thunderbird, claiming it might attack him after the rescue disturbed it.
• Cregan suspected William had stolen the Thunderbird's egg, but William swore that neither he nor his companions had taken it.
• William rejected Cregan's offers of a medal or Galleons and insisted that the Ministry owed him other compensation.

William asked Cregan to help Akali's Mystery Shop expand into France and arranged a partnership before the Aurors faced the Thunderbird on the coast. William Disapparated, and Mormont, struggling with her Werewolf instincts in a secluded grove, saw him and heard him offer himself as something she could bite.

• William told Cregan that Akali's Mystery Shop planned to expand into France, and they agreed on terms for cooperating.
• The Aurors completed their coastal defenses as the rain intensified and the Thunderbird emerged from the clouds.
• William provoked the Thunderbird, then Disapparated when Cregan asked him to help fight it.
• Cregan charged at the Thunderbird, frustrated by his sense that William had tricked him.
• Mormont hurt herself while suppressing her Werewolf instincts, then saw William and heard him offer to let her bite him.

William healed Mormont, changed her back from a wolf, and persuaded her to live for him after she lost her purpose. He and the girls spent the rest of their holiday playing in Biarritz before saying goodbye to Gabrielle and Phoebe and setting off for Dijon.

• Mormont woke as a human after William used the Homorphus Charm and treated her wounds.
• Mormont told William about her painful life and asked him to kill her, but agreed to live for him instead.
• William carried Anne, Gabrielle, Hermione, and Phoebe through their sunrise watching, seagull chasing, and diving during their holiday.
• William and the girls spent two weeks in Biarritz before preparing to leave for Dijon.
• Gabrielle and Phoebe said goodbye to William, and Phoebe kissed his forehead after Hermione gave her permission.
• Hermione teased William about Phoebe's kiss, then fell into his arms and received a kiss on the forehead.

William trained Hermione in the Patronus Charm and dueling while keeping a captured Dementor for research, including plans to turn its cloak into a flying cloak. After they returned to Hermione’s room, they found Anne lying on the bed with a book, and Hermione confronted her for eating there again.

• Hermione used a newly formed bird Patronus to knock down the weakened Dementor, then challenged William to a duel and was quickly exhausted.
• Hermione said she wanted to improve so she could catch up to Phoebe and eventually beat William.
• William explained that a Dementor’s cloak enabled it to fly and considered turning one into a levitating cloak, though he worried its kind might come looking for it.
• Hermione asked where to keep seven gems that resembled missing Goblin Gems, and William advised her to hide them under her bed.
• William teased Hermione that he might give the gems to Phoebe, prompting Hermione to snatch the box back.
• William and Hermione returned to Hermione’s room and found Anne reading on the bed; Hermione screamed and pounced on her for eating there.

William, Hermione, and Anne dealt with Hagrid’s unruly new textbooks before visiting Gringotts, where William resisted Bogrod’s attempt to sell him a risky investment. The money remained in France, and William continued alone to his vault.

• Anne showed William and Hermione the Monster Book of Monsters and another book that had eaten malt candy, while Hermione accused her of eating in bed.
• William pinned both books beneath a heavy table and heated them with small flames to make them behave.
• William took Hermione and Anne to Diagon Alley by Apparition and asked Bogrod to transfer his French Ministry of Magic compensation into his Gringotts vault.
• After learning that the international transfer fee was seven percent, William and Hermione decided to leave the money in France.
• William went to his vault alone while Bogrod tried to sell him Raw Ore Treasure, and William recognized the offer as a scheme to fleece him.

William returned to Britain and met Minister Fudge, who urged him to accuse the French Ministry of Magic of conspiring against Britain and to help secure Sirius Black’s extradition. Hermione challenged Fudge to focus on catching Black, while William concealed that he had taken the Dementor and leaked the story to Rita.

• Fudge intercepted William, Hermione, and Anne at Gringotts and took them to a private room at the Leaky Cauldron.
• Fudge questioned William about Paris and proposed that he publicly expose the French Ministry of Magic for using him to protect its reputation.
• Hermione criticized Fudge for neglecting Black’s capture, and William supported her.
• Fudge learned that Dementors had attacked William and Hermione in France, then blamed the French Ministry for orchestrating the attack and taking a Dementor.
• Fudge claimed France was sheltering Black to sabotage Britain’s Quidditch World Cup and described Britain’s policy of keeping Europe divided.

William returned from France and deflected Fudge’s request to accuse the French Ministry, while learning Fudge planned to station Dementors at Hogwarts. At the Leaky Cauldron, Harry reunited with William and Hermione, explained why he had run away from home, and worried that Cho had not received his letter.

• Fudge asked William to give the Daily Prophet an interview blaming France, but William avoided committing and said he needed to consult Dumbledore.
• Hermione challenged Fudge’s plan to put Dementors at Hogwarts, and Fudge admitted the Ministry lacked enough staff to guard the school and hunt Black.
• Fudge found Harry at the Leaky Cauldron and warned him not to go to Knockturn Alley.
• Harry told William and Hermione that he had accidentally inflated Aunt Marge and run away from home, and Hermione scolded him for using magic against a Muggle.
• William said he and Hermione were going home, disappointing Harry, who had hoped to hear about their French adventures.
• Harry asked about Cho’s missing letter, and William explained that she was in Australia, reassuring Harry that the letter might simply not have arrived.

William, Hermione, and Anne shopped for school supplies and pets in Diagon Alley, where they met Astoria Greengrass, who accused William of ignoring her sister Daphne’s letters and asked him to repay money Daphne owed her. Astoria stormed off threatening to get Draco to beat him up, while William continued shopping for pet food with the girls.

• William and Hermione bought textbooks at Flourish and Blotts, where Mrs. Longbottom beat a rampaging book with a stick and Neville remembered his elective choices.
• William took Hermione and Anne to the Magical Menagerie to buy food for Bobocha and looked at the unusual animals in the shop.
• Astoria Greengrass confronted William, accused him of ignoring Daphne’s letters, and asked him to repay the money Daphne owed her.
• William refused to pay Daphne’s debt, and Astoria ran off threatening to get Draco to beat him up.
• Anne bought imported cat food while William worried about the import duties.

Hermione chose Crookshanks from the Magical Menagerie, and William agreed to buy him despite already having several pets. After leaving the shop, William, Hermione, and Anne ran into Malfoy, who fled after recognizing them.

• Hermione watched Crookshanks defeat three mongooses and admired the ginger cat.
• Hermione asked William to buy Crookshanks for her birthday, and he agreed despite reminding her that they already had many cats.
• Anne asked William for a new Firebolt, but Hermione offered her own broom instead.
• Hermione warned Anne that Dahei would have to stay with Hagrid and Fluffy because he could not come to Hogwarts.
• Malfoy accused William, Hermione, and Anne of bullying Astoria, then recognized them and hurried away with Goyle, Crabbe, and Astoria.

William returned to Hogwarts for the new term and reunited with Hermione, Anne, and the Weasley twins. After learning Fred and George had tampered with Scabbers's tonic, he watched Crookshanks chase Scabbers at the station.

• William, Hermione, and Anne were mobbed by students at King's Cross before escaping to meet Fred and George.
• William greeted Percy, who proudly showed off his Head Boy badge and offered advice.
• Fred and George told William they had altered Percy's badge to read “Humungous Bighead” and added Niffler hair to Scabbers's tonic.
• Hermione's Crookshanks broke free and chased Scabbers from Ron's hands.

Crookshanks attacked Scabbers before William stopped him, and the group boarded the train. In their compartment, Hermione read a Quibbler article claiming a missing Dementor might have been taken by Time Lords or sent back in time.

• Crookshanks pulled Scabbers from a drain and tried to bite him, but Ron and William intervened.
• Hermione argued with Ron about Crookshanks, while Fred and George urged Ron to give Scabbers his tonic.
• William, Ron, and the others boarded the train and joined Cho, Luna, and Cedric in a compartment.
• William transformed Cedric’s badge into a fake Scabbers, then Cedric changed it back into the real badge.
• Cedric hinted that she wanted to remain with William and Cho, and Luna burst into laughter.
• Hermione read a Quibbler article theorizing that a missing Dementor had been taken by a Time Lord or had traveled back in time.

As the Hogwarts Express departed, William helped the three younger students write jokes for a Ministry contest while Harry returned to flirt with Cho and asked her about a kangaroo fight. A delayed seagull delivered William’s letter to Cho, and Harry realized that the owl he had hired to deliver his letter to Newcastle had probably flown to Australia and died at sea.

• Cedric left the compartment, and Harry arrived after speaking with Mr. Weasley about Sirius; Ron then took Harry to find another compartment because Crookshanks was threatening Scabbers.
• Ginny, Anne, and Hermione worked on jokes about France for a Ministry contest, and William wrote material for them as their ghostwriter.
• Young wizards visited Akali’s Mystery Shop to buy products and seek autographs, while Lee Jordan asked William for a thousand signed photos.
• Harry returned alone, bought prank products from Cho, and asked whether she had received his letter and how she had fought a kangaroo.
• Crookshanks caught a seagull carrying William’s delayed letter to Cho, and Harry revealed that he had sent his own letter to Newcastle through an owl from the Leaky Cauldron.
• William deduced that Tom had mistaken Newcastle in Australia for Newcastle in England and warned Harry to avoid the Leaky Cauldron and Tom.

William and the others discussed Professor Lupin and joked with Percy as the Hogwarts Express began to slow amid a sudden storm. A giant bird emerged from the clouds outside and stared directly at William, leaving him startled.

• William and Hermione finished letters for Phoebe and Gabrielle, and Anne sent snacks to France with the seagull.
• Harry told the others they had met Professor R. J. Lupin on the train, and they speculated about the new Defense Against the Dark Arts teacher.
• Cedric returned to the compartment and sat beside Cho, while Ginny sat squeezed against Harry.
• Cedric mocked Percy's practiced Head Boy speech and reported his warning about fires, thieves, and the Weasley twins.
• The train jolted, Percy stumbled into Ron, and Scabbers struck the opposite compartment door.
• William looked out at the storm and saw a giant bird crackling with lightning stare at him.

William defended the Hogwarts Express from the Thunderbird’s repeated lightning strikes while Percy organized the students to move forward. As William began a powerful Ancient Runes defense with the Sorting Hat’s help, Lupin held the line and the runes spread across the carriage.

• William ordered the prefects to move students toward the front carriages and told the driver to keep moving.
• Percy rallied the students, while William cast Protego Maxima over the damaged carriage.
• Hermione, Lupin, and other wizards joined William as the Thunderbird struck the barrier with a barrage of lightning.
• Cedric led Anne, Cho, the twins, Luna, Harry, Neville, and Ginny toward the younger students.
• Anne placed the Sorting Hat on William’s head, and it gave him instructions for a defensive spell.
• William asked Lupin to hold off the Thunderbird for twenty seconds, then chanted Ancient Runes as protective markings appeared throughout the carriage.

William activated the Hogwarts Express’s Ancient Runes defenses and lured the Thunderbird away from the train, but a swarm of Dementors drove it off and then surrounded the train while searching for Sirius Black. Professor Lupin went to negotiate with them as William considered how difficult it might be to capture a Dementor.

• William activated the train’s Ancient Runes defenses, protecting it from the Thunderbird’s lightning.
• William Apparated across the train to draw the Thunderbird away, then transformed into a sea eagle and flew toward it.
• Hundreds of Dementors appeared in the clouds, drove the Thunderbird away, and pursued William back to the train.
• Professor Lupin explained that the creatures were Dementors, while the train’s runic defenses kept them outside.
• The train stopped, and Professor Lupin left to negotiate with the Dementors, telling the students to stay put.

William and Hermione drove off a Dementor that recognized William, while Harry collapsed after feeling its chill. After the train resumed, William sent a Howler demanding compensation from Mr. Cregan, and Harry woke with a strange memory of William telling Riddle to kiss him.

• William helped repair the Hogwarts Express, then let one Dementor board after Professor Lupin reached an agreement with its leader.
• The Dementor recognized William and lunged at him, but Harry collapsed from its chill before William and Hermione drove it away with their Patronuses.
• William sent Mr. Cregan a Howler demanding three thousand Galleons and an explanation for the Thunderbird attack.
• William explained the Thunderbird and Werewolf incident to the students, while withholding the Goblin Gem details.
• Harry woke and said he had seen William speaking to Riddle and telling him to kiss him, which William denied.

William turned the train into a crowded shopping carnival, then arrived at Hogwarts with Hermione and Anne. At the castle gates, he spotted two Dementors and began considering what he might do about them.

• Lupin found William, Hermione, and Harry recovering after the Chamber of Secrets incident, and learned that William had taught Hermione the Patronus Charm.
• William launched a train-wide sale with the twins, while Cedric and Cho worked as sales assistants and Penelope organized the crowds.
• Luna taught Anne and Ginny to make shell wind chimes, and William had the girls wear bear costumes and dance as mascots.
• Cho calculated that the shop's sales exceeded two ordinary months of business, and William decided to hold a carnival on each trip at the start of term.
• At Hogwarts station, Hagrid thanked William and Hermione for arranging Norbert's burial in France and said he would hold a grand funeral.
• William, Hermione, and Anne rode to Hogwarts and saw two Dementors guarding the gates, which left William eager to make them disappear.

William, Hermione, and Anne returned to Hogwarts, where Professor McGonagall summoned Harry to check on his health and told William to meet Dumbledore after the feast. Hermione retrieved her Time-Turner before joining William in the Great Hall for the start of the school year.

• Professor Flitwick and Professor McGonagall welcomed the students at the castle entrance, and Anne presented McGonagall with the cleaned, flower-decorated Sorting Hat.
• Percy stumbled on the slippery floor, causing Ron to drop Scabbers into a puddle.
• Professor McGonagall sent Harry to Pomfrey for a checkup, then told William that Dumbledore wanted to see him after the feast.
• Hermione retrieved the Time-Turner from McGonagall's office, and she and William entered the Great Hall after missing the Sorting Ceremony.
• Bobocha jumped into William's arms, and Dumbledore welcomed the students and began his speech with a warning about safety.

Dumbledore warned Hogwarts students to stay out of the Forbidden Forest and introduced Professor Lupin and Hagrid as the new teachers. After the feast, William overheard Snape arguing with Dumbledore about Black and Harry, then joined Dumbledore as Snape left in a sarcastic huff.

• Dumbledore warned that students could not leave Hogwarts without permission and barred them from the Forbidden Forest until the Thunderbird was dealt with.
• Dumbledore introduced Lupin as the new Defence Against the Dark Arts teacher and Hagrid as the new Care of Magical Creatures teacher.
• After the feast, William left with Bobocha and encountered Mrs. Norris and her kitten, Miss Alice, on patrol.
• William overheard Snape accuse Black of being connected to the Thunderbird and suggest that Lupin might help Black enter Hogwarts.
• Dumbledore asked Snape to keep an eye on Harry, but Snape objected and sarcastically complained about Dumbledore favoring William.
• Dumbledore invited William upstairs, and William joked that Snape's breathing trouble came from being too sarcastic.