Ready to race into Sonic’s world and become a Blue Blur Brainiac? Then dive into this ultimate encyclopedia of all things Sonic the Hedgehog!Do you know your Eggman from your Egg Spring? How about the difference between a Chaos Emerald and the Master Emerald? And what is the deal with all those Rings?!Whether you’re a Sonic egghead or you’re yet to enter Green Hill Zone, The Essential Guide is for every Sonic fan. Packed full of super facts, delve into Sonic’s world with character profiles, storyline roundups, top tips for playing the games and a dash through Sonic’s best moments.The Blue Blur has been busy racing around since his debut in 1991 and there are countless adventures to remember! This comprehensive guide is the perfect way to brush up on your knowledge and get to know Sonic and his friends.The Sonic the Hedgehog Essential Guide is the perfect way to immerse yourself in Sonic’s world. What are you waiting for? Let’s roll!