"Introduction to Muggle Swordsmanship..." After listening to Neville recite the contents, Sirius Black stroked his chin. "It sounds pretty interesting. Maybe I'll buy a copy and read it sometime."
"I'm afraid that might be difficult," Wizet said. "This book is kept in the Restricted Section, and its author is rather unusual... You probably won't be able to buy it."
"That isn't really surprising. Number 12, Grimmauld Place has quite a few similar books..." Sirius Black nodded. "They're all unique copies, so they were never circulated outside."
"Besides, this book is called Introduction to Muggle Swordsmanship. The fact that it could appear at Hogwarts at least proves that its author was a wizard... A wizard studying swordsmanship is rather amusing."
"No, it could even be considered heretical. Most wizards don't think very highly of Muggles..."
"Neville, you can recite the contents..." He turned to Neville. "Do you know who wrote this book?"
Neville answered Sirius Black's question. "Godric Gryffindor..."
"Hm?" Sirius Black raised his eyebrows. "Someone with the same name? Or... the Godric Gryffindor we both know?"
"It's the Godric Gryffindor we both know..." Neville nodded, speaking with certainty. "The founder of our Gryffindor House."
"What?" Fred and George cried out. "Godric Gryffindor... He really joined a Muggle lord's knightly order and learned swordsmanship there?"
Neville gave a very slight nod. "If that book wasn't lying... then it should have happened."
"Merlin's beard!" Most of the people in the guest room, including Remus Lupin, wore exceptionally colorful expressions.
"It... actually isn't all that surprising." Lupin was the first to calm down. "The Sword of Gryffindor... You all know about it, right?"
"That was Godric Gryffindor's sword. That era was rather special; carrying a sword to pose as a knight and conceal one's identity as a wizard was understandable enough."
"Neville,