Author: Patricia Hutchison

Provides a thorough overview of the major pros and cons of vaccines. Readable text, interesting sidebars, and illuminating infographics invite read...

Explores the fascinating world of valleys. Readers will learn how valleys form and how they change over time, as well as the plants and animals tha...

Provides readers with an engaging introduction to light. With colorful spreads, clear text, helpful diagrams, and a Science in Action activity, thi...

Provides a thorough overview of the major pros and cons of vaccines. Readable text, interesting sidebars, and illuminating infographics invite read...