Sonic the Hedgehog (PS3, 360): Prima Official Game Guide 
asked by dataworld on November 8, 2006 2:46 AM
The Blue Blur is Back!
• Maps of Soleanna's city reveal every side mission and ability enhancement
• Expert strategy for defeating colossal bosses
• Race past Dr. Eggman's robot army with complete mission walkthroughs
• Complete episode guide for each of the hedgehogs: Sonic, Shadow, and newcomer Silver
• Master Silver The Hedgehog's psychic powers
• Maps of Soleanna's city reveal every side mission and ability enhancement
• Expert strategy for defeating colossal bosses
• Race past Dr. Eggman's robot army with complete mission walkthroughs
• Complete episode guide for each of the hedgehogs: Sonic, Shadow, and newcomer Silver
• Master Silver The Hedgehog's psychic powers