Analyzing the book that launched a phenomenon. When it comes to Harry Potter's first year at Hogwarts, there's a lot to unpack--and that doesn't just include his Invisibility Cloak! In The Unofficial Harry Potter Companion: Volume I Sorcerer's Stone, first-time readers and longtime fans of the Potter series will discover deep and insightful analysis, fact-based commentary, and complementary information compiled from a variety of official sources....