Perfect for introductory science and biology lessons! What do mammals have in common? They have fur. They nurse their young. They breathe fresh air. But what el

Ruth Heller's prose and pictures are the perfect means for discovering the variety of oviparous animals and their unique ways of laying eggs.

An award-winning first glimpse into the diverse natural world of mammals. This addition to the acclaimed About... series explains to children in simple, easy-to

Introduces the importance of water to all life on earth.

Learn how to sprout seeds, grow plants and take care of small gardens such as window boxes and rock or sand gardens.