Answers such questions as What is air made of? and How do plants use carbon dioxide?. Includes simple experiments.

Addressing general readers and biologists, Mark Denny shows how the physics of fluids (in this case, air and water) influences the often fantastic ways in which

An action-packed, empowering middle grade novel about a girl who has to speak up when her wheelchair motocross dreams get turned upside down. Twelve-year-old Em

Follows a young man as he enters the strange and exciting world of high octane sports in the inner city of Baltimore.

A "beautifully written"* (New York Times Book Review) novel of redemption by a prize-winning international literary star. From the acclaimed author of The Beaut