Jessica Cohn 
Road Cycling [PDF ebook] 

There are over a billion bicycles on the road worldwide, but only a select few push their bikes to the limit. Readers will explore the world of road cycling, and be provided with some of the most famous races and racers in the world. Full-color photographs show the gravity-defying feats of road cycling, while educating readers on the science the sport. Each book also provides interactive challenges to encourage the exercise of both body and mind.