Holly Keller

A caterpillar and a young goose become great friends, but as they grow up they undergo changes which separate them for awhile.

Henry has a fun-filled day celebrating the Fourth of July with his family and friends.

Joey sneaks his Christmas present, a toy bear, out of its box before Christmas and is upset when he accidentally rips it.

Geraldine can't wait for the snow to come so that she can coast down the hill on her sled.

Laura's allergies make it difficult for her to find a pet she likes, until her brother brings home a surprise.

A variety of different bugs compare their relative sizes while going on parade.

Describes the physical characteristics of a variety of snakes and how they hunt, catch, and eat their prey.

Describes the various properties of air and shows how to prove that air takes up space and that there is air dissolved in water.

Holly Keller has created vivacious new paintings for this favorite Let's-Read-and-Find-Out Science title about geology. Readers follow two enthusiastic rock hounds around the globe as they add to their collection. Along the way they will learn how sedimentary, metamorphic, and igneous rocks are formed. From the Egyptian pyramids to Roman roads, from the diamond ring on your finger to the pebbles under your feet'rocks are everywhere! This nonfiction...