Blistering speed. Death-defying jumps. Thrills and spills. In dirt bike competitions, there's no shortage of adrenaline-pumping action! Young readers will fly high with motocross and supercross racers, master off-road enduro courses, and more. Details about race rules, track features, safety equipment, and specialized bikes answer readers' need-to-know questions while carefully leveled, captivating text supports reluctant readers.