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

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

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

Doors in the Air is the story of a boy who is fascinated by doors. He marvels at how stepping through a doorway can take him from one world to another. He is es

Complete before his resignation from basketball, Jordan discusses his love of the game, his family, and his competitiveness