Aliens from Earth
When Animals and Plants Invade Other Ecosystems
Learn about the serious and ongoing environmental problems caused by invasive plant and animal species.
Aliens from Earth
Hey, Daddy!
Animal Fathers and Their Babies
An excellent introduction to the varied and remarkable ways animal fathers care for their young.
Please Don't Wake the Animals
A Book About Sleep
This fascinating factual look at the different ways animals slumber will delight curious young minds.
Who Has a Belly Button?
An award-winning science writer and veteran natural-science illustrator look at belly buttons and how they are made in this easy-to-understand book designed specially for young children.