Holly Keller

While baby sitting with their brother Alvin, Libby and Sam have a hard time guessing what Alvin wants to make him happy.

Pearl's birthday skates have a single blade and learning to use them is harder than she expects.

Horace loves the little yellow truck that he finds in the schoolyard, but he has a problem when a classmate tries to claim it.

After the end of the war in Vietnam, a young boy's grandfather dreams of restoring the wetlands of the Mekong delta, hoping that the large cranes that once lived there will return.

Geraldine the pig has her heart set on getting a really big Christmas tree--no matter what.

Explains how plants and animals of the meadow, woods, and pond grow and evolve, such as caterpillars changing into butterflies, eggs hatching into robins, and acorns becoming oaks.

Explains how sounds are made and the purposes they serve for both humans and other animals.

Explains how to start a rock collection and how to recognize igneous, metamorphic, and sedimentary rocks.