Supercross: Bumps and Jumps

"The crowd roars in the packed arena as the dirt bikes take off. The bikes fly high over a triple jump. They dash over a sand section and twist around corners. It's a fight to the finish, and only one rider will come out on top. Put readers in the center of the supercross action as they learn about everything from race rules to track features and equipment. Carefully leveled, high-energy text helps ensure accessibility for even the most reluctant readers"--