(2) PS Illustrated by Holly Keller. A simple text explains that big and little versions of an organism can look awfully different, yet still be the same. In a suspenseful layout, readers see an egg, seed, or juvenile form of a familiar plant or animal; on the next page, they see the adult/mature version. The cheery tone is carried through in Keller's colorful cartoon illustrations whose clean lines provide the right amount of detail for backyard identifications.

Reviewer: Danielle J. Ford | Horn Book Magazine Issue: September, 2001

(3) K-3 Let's-Read-and-Find-Out Science series. Illustrated by Holly Keller. This revised and newly illustrated book presents basic facts about the heart and circulatory system from the perspective of a young child. Keller's watercolor and pen diagrams and cartoons show cheerful kids checking pulses and listening to and learning about the hearts of family, friends, and animals at rest and during exercise. Two pages of activities follow.

Reviewer: Gail Hedges

(3) K-3 Let's-Read-and-Find-Out Science series. Illustrated by Holly Keller. A simple text ponders both the benefits and challenges of snow. Branley discusses how snow protects dormant plants, hibernating animals, and some people from the wind and cold, as well as how heavy snowfall affects springtime flooding. Keller's new illustrations are a good match for the spare, informative text. A few easy activities explore snow's different properties, and a list of websites is appended.

Reviewer: Kitty Flynn

(3) K-3 Let's-Read-and-Find-Out Science series. Illustrated by Holly Keller. Pfeffer introduces young readers to the science of sound and hearing. While mainly encouraging observation of sound, the text also includes simple explanations for how humans and animals hear and use sound. Instructions for several classic sound activities (including musical instruments and string telephones) are included. Cartoonlike illustrations feature many onomatopoeic words: "knock, knock," "cluck, cluck," "psst," "howwwwl!"

Reviewer: Danielle J. Ford

(4) K-3 Let's-Read-and-Find-Out Science series. The natural sponges people use for washing and bathing were once living animals, explains Esbensen in this book about sponge habitats, anatomy, and how they're harvested. However, the primarily descriptive text does little to explain how sponges are indeed animals. A helpful comparison to factory-produced artificial sponges is found near the back of the book. Cartoonlike illustrations accompany the text.

Reviewer: The Horn Book, Inc.