Far more than just explaining the science involved in six important scientific theories, these volumes cover their history, discovery, and development. The reader learns what ancient people thought, how and why that thinking changed, who the important people were, and the impact these changes in knowledge have had on cultures and countries over time. The reading level of these volumes is high. They are illustrated, though some illustrations are more decorative than informational. Important words and their definitions are highlighted by Words in Context boxes. Each volume includes chapter source notes, a list of important people, and suggestions for further research. Bibliography. Index. Websites. Christine Graves, Educational Reviewer, Downers Grove, IllinoisRecommended
