A forthcoming book will document the history of Sega's mascot, Sonic the Hedgehog, Sega announced today. The 300-page book, The History of Sonic the Hedgehog, covers the Blue Blur in exhaustive detail, including "every 2D and 3D Sonic game" and "every spin-off game, every crossover, and even rare cameo appearances by Sonic across the gaming universe." You can see some preview pages over on the Sega Blog.