Helen Frost

Simple text and photographs present snow, how it is formed, and how it affects the Earth and people.

Simple text and photographs describe the stages of the water cycle.

Simple text, photographs, and diagrams introduce the skeletal system and its purpose, parts, and functions.

"Simple text and photographs present snowy owls, where they live, and what they do"--Provided by publisher.

A simple biography of the former slave who spent most of her adult life as a speaker against slavery and supporter of women's rights.

Describes where and how various species of birds nest, including sites in tree branches, in hollow trees, near water, and on cliffs.

When you are outside on a summer's day, have you ever seen fine powder on a flower or floating on the breeze? That's pollen, almost invisible, waiting for the only thing it needs -- a ride on the wind, or a wing, or a feather. And it's the pollinators, small and mighty, who hold the world together with their work.