FEATURES: - Pairs social studies and science thematically - "Shakes up the curriculum" with "Shocker" facts that interest this age group, and a lively page layout that encourages readers to discuss and share knowledge with one another - Builds background knowledge and vocabulary through front-of-book features labeled "Get on the Wavelength" and "High-Powered Words" - Includes a "Comprehension Coach" that appears regularly to model and reinforce key comprehension strategies - Provides links to relevant Internet Web sites - Exposes students to a variety of formats and text features.