Zoom! Who needs four wheels when two wheels can be so much fun! While street motorcycles zoom around cities, dirt bikes fly over jumps and twist around dirt trails. Young readers will find out about the types of motorcycles, their main parts, and why these vehicles are so popular.

Zoom! Who needs four wheels when two wheels can be so much fun! While street motorcycles zoom around cities, dirt bikes fly over jumps and twist around dirt trails. Young readers will find out about the types of motorcycles, their main parts, and why these vehicles are so popular.