From deserts to rainforests, from wetlands to oceans, this set takes an in-depth look into key life science topics. This set of 7 books for reading levels 2.5-4.7 features high-interest nonfiction text, supporting graphics and photographs; some include a lab activity. Titles include: Inside Ecosystems and Biomes, Life in the Ocean Layers, African Grasslands, Deserts, Forests, Rainforests, and Wetlands.