Speedah-Cheetah: A Branches Book (the Binder of Doom #3)

It is time for the Stermont Derby, a race around downtown Stermont in homemade vehicles, and Alexander, Nikki, and Rip are planning to compete, but so is a new monster, a Speedah-cheetah--and in addition to a diet of rotten eggs it plans on eating the race losers, especially the members of the Super Secret Monster Patrol.