"On your marks! Get set! RACE! Welcome, Extreme Gear fans, to thequalifier for the Clean Sweepstakes race around the world, sponsored by the Restoration and Clean Sweep Inc.! And look at the starting line! It's Sonic, Tails, Amy, Surge, Kit, the Diamond Cutters, and the Babylon Rogues! Hold on to your tails because we're in for one heck of a race! But there's drama on the track! As Tails and Amy go toinvestigate a mystery of their own, only Sonic is left to answer the question, who is the Phantom Rider?! Then in two one-shots Sonic and pals are getting into the vacation spirit. The Winter special brings holiday fun, food, and plenty of snow! But when Dr. Eggman's robots start making trouble, the gang find themselves in a real Winter Jam! But soon after Spring has sprung! The flowers are in bloom, andso is trouble! When Sonic, Tails, and friends try to take some downtime, they run into a mystery that's spring broken! A seasonal whodunit in the Sonic style!"--Provided by publisher.