Chapter Summaries

Andrew, Sirius, Harry, and Professor Nina traveled to the Burrow for Percy’s seventeenth birthday party. The guests gathered to celebrate Percy, while Fred and George began asking about Professor Nina’s connection to Sirius.

• Andrew initially refused Professor Nina’s request to join the trip, but Sirius agreed to bring her as a friend.
• Andrew, Sirius, Harry, and Professor Nina took the Knight Bus from Hogsmeade to Ottery St Catchpole, where Ginny met them.
• Ginny led the visitors into the decorated garden, where Percy greeted Andrew and received his birthday gift.
• Andrew teased Fred and George about their upcoming OWLs, and the twins called a truce to focus on Percy’s birthday.
• Fred asked who Sirius had brought, and Harry identified Professor Nina as the new Anti-Dark Arts professor.

At Percy's coming-of-age party, Harry's innocent remarks fueled teasing about Andrew and Sirius, while Percy pulled Andrew aside to seek advice about relatives pressuring him to marry. Percy explained why he could not yet tell them about Penelope and began laying out a plan.

• Harry told Fred and George that he, Andrew, and Sirius sometimes read and eat together, and the twins teased them about it.
• Fred and George explained that coming-of-age parties introduced unmarried people, while guests crowded around Percy and Sirius.
• Percy escaped the crowd, asked Andrew to follow him, and revealed that relatives were pressuring him to marry.
• Percy told Andrew he feared relatives would make Penelope's life miserable if he announced their relationship before they graduated.
• Percy quietly asked Andrew for advice as he laid out a plan to handle the relatives.

Andrew advised Percy against pursuing a position in Barty Crouch’s office, warning that it could harm Percy’s career and his family’s standing. After Percy agreed to reconsider, Andrew was overwhelmed by the Weasley relatives’ praise before leaving the festivities with Professor Nina.

• Andrew asked Percy whether he had discussed his career plans with his family and warned him that working for Barty Crouch could create political trouble for Mr. Weasley.
• Andrew argued that Percy had no claim to inherit Crouch’s influence and could be blocked by the Aurors, advising him to stay close to Mr. Weasley instead.
• Andrew kept his preferred recommendation confidential, and Percy accepted that he needed to think the decision through.
• The Weasley relatives praised Andrew in a crowd, and Andrew realized Sirius had revealed his accomplishments to them.
• Percy rescued Andrew from the relatives, and Andrew later teased Professor Nina for selling him out as they headed back toward Hogsmeade.

Andrew studied Human Transfiguration and prepared for the new school year while Sirius and Nina discussed their teaching duties. Their broomstick flight around Hogwarts ended with both professors injured and recovering in the Hospital Wing.

• Andrew studied anatomical diagrams and planned to test Human Transfiguration on a monkey's paw before attempting it on himself.
• Sirius said Harry still had homework to finish, and Andrew realized school started in three days.
• Andrew explained that he made the student timetables, prompting Sirius and Nina to recognize why their schedules were unusual.
• Sirius and Nina decided to fly around Hogwarts on broomsticks while the students were away.
• Dumbledore's misdirection magic caused Sirius and Nina's broomsticks to fail, and they fell over the Black Lake.
• Madam Pomfrey advised Sirius and Nina to rest in the Hospital Wing for a day, and Andrew left them in her care.

Andrew handled the fallout after presumed Slytherin first-years started a fight with Gryffindors aboard the Hogwarts Express. Professor McGonagall ordered him to enforce discipline after the Sorting Ceremony and asked him to bring Hermione to her office afterward.

• Andrew visited Professor Adams and shared the story of two professors falling into the lake while ordering a bouquet.
• Hermione searched for Harry on the train, while Neville warned her that Slytherins had attacked and Ron rushed off to join the fight.
• Gryffindor students defeated the Slytherins after first-years who expected to be sorted into Slytherin provoked them.
• Andrew consulted Professor McGonagall, who said the first-years would be dealt with after the Sorting Ceremony and ordered him to warn them that disobedient students could be barred from it.
• Professor McGonagall explained how the fear and uncertainty of the Sorting Ceremony helped turn first-years' unstable magic into protective magic, then assigned Andrew to maintain order and give detentions.
• Professor McGonagall told Andrew to bring Hermione to her office after the Sorting Ceremony.

Andrew studied third-year Charms in the Laboratory while waiting for the Hogwarts feast, then advised Professor Nina on managing her classes. He left Nina to prepare for Dumbledore's introduction at the Opening Feast.

• Andrew practiced a Stain-Repelling Charm and an Insulation Charm, recognizing that he could cast them without yet understanding how to improve them.
• Andrew went to the Kitchen for a bite before the feast and later spoke with the nervous Professor Nina.
• Andrew advised Professor Nina to demonstrate her abilities and choose student class representatives to help manage assignments and classroom order.
• Professor Nina tried to recruit Andrew as her assistant, but Andrew refused and urged her to compose herself before Dumbledore introduced her at the Opening Feast.

Andrew helped Professor McGonagall receive the first-year students and frightened them before the Sorting Ceremony by warning them about punishments. He led them into the Great Hall, where even the returning students fell quiet.

• Andrew prepared a folder and waited in the Great Hall to scare the new students as the professor had instructed.
• Kevin stopped Hal from approaching Andrew, and the students speculated about his role in the train fight.
• Professor McGonagall sent Andrew to take over from Hagrid and lead the first-years into a room near the Great Hall.
• Andrew read names from a list and warned the first-years that some of them could be punished after the Sorting.
• Andrew ordered the first-years to stand properly and follow him silently into the Great Hall, leaving the students and returning pupils subdued.

Andrew oversaw the Sorting Ceremony, where the Sorting Hat recited an adapted Sun Ode and Andrew used his clipboard to assign toilet-cleaning duties to students he had marked. After consulting Gryffindor and Slytherin students, he gave Filch the clipboard and Quill, leaving Hal wondering what Andrew had arranged.

• The Sorting Hat recited an adapted Sun Ode, surprising Andrew, Hermione, and Professor Charity Burbage.
• Professor McGonagall sorted the new students, while Andrew marked names on his Wooden Clipboard and assigned one student toilet-cleaning duty.
• Hal and Kevin worried that Andrew was using his authority to settle scores during the ceremony.
• Andrew spoke with Gryffindor Prefects and selected students from Slytherin, recording several names on the clipboard.
• Andrew quietly spoke with Dumbledore, then handed the clipboard and Quill to Filch.

Andrew joined the opening feast after arranging detentions, and Dumbledore introduced Professor Martin and Hagrid as new Hogwarts professors. After dinner, Andrew approached Hagrid to congratulate him and privately asked Hermione to speak with him, leaving her worried about what she might have done.

• Andrew submitted the detention list and returned to his house table to greet his roommates.
• Dumbledore welcomed Professor Martin, a Beauxbatons graduate, and announced that Professor Kettleburn would train Hagrid as a teacher for the year.
• The Hogwarts feast began and ended without an after-dinner speech.
• Andrew went to congratulate Hagrid, who said Professor Kettleburn had accepted him and told him to get a Wizard Robe.
• Andrew asked Hermione to speak with him privately, and she nervously wondered whether she had broken a school rule.

Andrew and Hermione met with Professor McGonagall, who gave them Time-Turners for study after outlining their limits and dangers. They learned the devices could travel back up to five hours, and McGonagall began explaining how to use and keep them.

• Andrew led Hermione to Professor McGonagall's office, where Hermione confessed to tricking Professor Lockhart into signing a request for a Restricted Section book.
• Professor McGonagall said Lockhart's mistake was still being investigated and told Hermione that Andrew was checking the school rules to determine her punishment.
• Professor McGonagall gave Andrew and Hermione small boxes containing Time-Turners, saying Hermione had passed an additional test.
• Professor McGonagall explained that the Time-Turners could take them back at most five hours, required time to recharge, and could cause severe consequences if they encountered their other selves.
• Professor McGonagall ordered them to use the devices only for study, for no more than four hours a day, and forbade them from altering the future, experimenting on the devices, or telling anyone about them.
• Professor McGonagall began explaining how to use the Time-Turners and how long Andrew and Hermione could keep them.

Professor McGonagall let Andrew use a Time-Turner only for Office work and warned him against studying its dangerous rules. On his way to the Astronomy Tower, Professor Nina confronted him after secretly following him and misread his meeting with Miss Granger as a romantic secret.

• Professor McGonagall gave Andrew strict limits on using the Time-Turner and let him touch it briefly, though its power frightened him.
• Professor McGonagall ordered Andrew to leave the Time-Turner in the Office and wait until his next shift to use it.
• Andrew worried that Dumbledore might investigate the author of A Legend as he walked toward the Astronomy Tower.
• Professor Nina revealed that she had secretly followed Andrew and teased him about meeting Miss Granger in private.
• Andrew denied any romance with Miss Granger, claimed he preferred Upper-Year girls, and threatened to report Professor Nina for stalking a student.

Andrew helped arrange a hurried nighttime farewell when Professor Binns announced he was leaving Hogwarts for a long vacation. Professor Binns departed to investigate the truth, leaving Professor McGonagall uncertain when he would return.

• Sirius told Andrew that Professor Binns was leaving immediately, and Andrew asked Nearly Headless Nick to gather ghosts for a farewell.
• Andrew went to inform Professor McGonagall, while Sirius invited Professor Nina to join the farewell.
• Andrew, Professor McGonagall, Sirius, and Professor Nina arrived at Professor Binns's office, where Binns explained that he was taking a vacation rather than resigning.
• Professor Binns said he might be away for more than a year and promised to return after investigating the truth.
• Professor Binns recognized Professor Nina as a new professor and mentioned that he planned to visit the Two Schools.

Professor Binns said goodbye before leaving Hogwarts for a holiday, and Andrew helped seal his room. Back at the Gryffindor Common Room, Andrew refused to give Hal information and read the answer from a slip of paper.

• Professor Binns met Professor Nina and Taylor, then welcomed the ghosts who gathered to see him off.
• Professor Binns asked the ghosts to share news of strange places and promised to invite the Gryffindors to explore if he found somewhere worthwhile.
• Professor Binns left Hogwarts, and Nearly Headless Nick followed the other ghosts after saying goodbye.
• Andrew sealed Professor Binns's room with Professor McGonagall and Professor Nina present.
• Andrew returned to the Common Room and refused to give Hal the information he wanted, reading an answer from a slip of paper instead.

Andrew returned to Hogwarts for the new term and visited Professor Adams in the Greenhouse, where they discussed hydroponic experiments and Snapping Cabbage. After seeing the dangerous plants up close, Andrew left Adams eager to make a major breakthrough that year.

• Andrew remembered Hal had been caught spying on a Prefect's date and had later tried to blackmail him.
• Andrew visited Professor Adams, who explained that he planned to test hydroponic cultivation on the Whomping Willow.
• Adams served Andrew a salad made from Greenhouse-grown Snapping Cabbage, and Andrew asked to see the plants.
• Adams showed Andrew how a Snapping Cabbage could bite through a Bamboo Pole and explained how Wizards harvested or used the plants.
• Adams described his plans for faster-growing hydroponic Seeds and urged Andrew to work hard that year.

On the first day of school, Andrew visited Hagrid and discovered that Hagrid’s Care of Magical Creatures textbook was alive. Andrew tried to study it with Transfiguration, but his attempt destroyed the book.

• Andrew ran to Hagrid’s Hut and encouraged Hagrid to get used to dining in the Great Hall and teaching his class.
• Andrew admitted he had not read Hagrid’s textbook, and Hagrid brought out the strange book to show him how to open it.
• The book came alive and tried to bite Andrew, who became fascinated by how it had been brought to life.
• Andrew tried to examine the book with Transfiguration, but he could not penetrate its unfamiliar protective force.
• Andrew used his full Transfiguration power to break through the force, and the book fell apart and died.

Andrew discovered that the Monster Book of Monsters was made through a centaur technique that let knowledge itself give power to a book, and he resolved to obtain another copy for study. The chapter left him heading into the new term to help Professor McGonagall distribute timetables, while she warned him that the centaurs’ protective magic remained secret.

• Andrew destroyed Hagrid’s Monster Book of Monsters while testing it with magic, then found that its unusual power had vanished from the wreckage.
• Hagrid told Andrew that Edward Lima, a centaur, had written the book and that a centaur tribe published it because ordinary textbooks contained too many mistakes.
• Hagrid explained that powerful knowledge required magical mediums, and that the book could display things ordinary parchment and newspapers could not hold.
• Andrew hurried to Professor McGonagall’s office to help distribute timetables for the first day of term and explained that the book had distracted him.
• Andrew said he planned to order another Monster Book of Monsters, and McGonagall advised him to study its Transfiguration while leaving the centaurs’ protective magic alone.

Andrew began his Ancient Runes class with Hughes and learned that Professor Bathsheba Babbling taught the subject as a dead language still essential to Alchemy. Babbling presented her unsettled theory that magical Runes developed from Ancient Germanic Runes, leaving Andrew intrigued by how closely it matched Hughes’s research.

• Professor McGonagall told Andrew to master Human Transfiguration before studying the Monster Book of Monsters and assigned him a regular office shift for paperwork.
• Andrew handed out the students’ timetables, ate breakfast, and learned that Hughes was the only other student joining him for Ancient Runes.
• Hughes explained that Ancient Runes focused on translating magical characters and classical texts, and shared rumors about Professor Bathsheba Babbling.
• Andrew and Hughes joined their Ravenclaw classmates in the classroom as Professor Babbling introduced Demiguise and Hydra as words meaning zero and nine.
• Professor Babbling taught that Ancient Runes remained important to Alchemy and proposed that magical Runes developed from Ancient Germanic Runes, a theory Andrew recognized from Hughes’s research.

Andrew became interested in Ancient Runes after Professor Babbling introduced the Compendium of Magical Glyphs and its rewards for deciphering lost designs. He briefly examined a volume in the library, then left to use the Time-Turner and begin his work.

• Professor Babbling explained the magical importance of Ancient Runes and announced that students could study the Compendium of Magical Glyphs and earn Galleons for deciphering its designs.
• Andrew and Hughes decided to visit the library before their next class, and Andrew raced ahead of the other students.
• Andrew asked Madam Pince where the Compendium was and took one volume to a nearby table.
• Andrew found that the book contained mostly glyph illustrations, with many combinations and damaged inscriptions still unexplained.
• Andrew decided to focus on studying runes before attempting to decipher the glyphs and headed to Professor McGonagall's office to use the Time-Turner.

Andrew used McGonagall’s Time-Turner to travel back several hours and complete his work while avoiding his other self. He then hid and waited for the loop to repeat, leaving the time loop intact.

• Andrew met Professor McGonagall, who warned him not to overuse the Time-Turner because it could undermine his Transfiguration control.
• Professor McGonagall explained how Andrew should use the Time-Turner and arranged a secluded space in her office.
• Andrew turned the Time-Turner twice, traveled back to breakfast time, and completed the day’s work before reviewing for Charms.
• Professor McGonagall returned early and reminded Andrew to hide, keep the door shut, and knock before entering when the loop repeated.
• Andrew hid as his other self arrived, heard the familiar conversation with Professor McGonagall, and let the time loop begin again.

Andrew navigated the first day back at Hogwarts, where he kept students from mocking Hermione Granger’s tired performance and checked in on the new professors. After hearing that Nina and Hagrid’s first lessons had gone well, he rested, pleased that Hogwarts was thriving.

• Andrew arrived late to Charms, earned most of the points for answering questions, and noticed Hermione struggled after a full morning of classes without food.
• Andrew deflected speculation about Hermione’s performance and reflected that student cliques and bullying had eased, though older students still needed watching.
• Professor Nina told Andrew her first lesson had gone well, and Andrew reminded her that her Fifth Year class that afternoon would be a greater challenge.
• Hagrid excitedly described his successful first lesson, which the Old Professor had helped him keep safe and orderly.
• Andrew finally returned to the Dormitory to rest and thought that Hogwarts was thriving.