Subject(s): Endangered species -- North America | Nature conservation -- North America
Contents:v. 1. Mammals, birds, reptiles -- v. 2. Amphibians, fishes, snails, mussels, and clams -- v. 3. Arachnids and crustaceans, insects, lichens, fern allies, true ferns, conifers, dicots -- v. 4-5. Dicots -- v. 6. Dicots, monocots, glossary, organiz
Subject(s): Civilization -- Miscellanea Juvenile literature -- History | World history -- Miscellanea Juvenile literature | Civilization -- Miscellanea -- History | World history -- Miscellanea
Summary: Presents facts, milestones, and key political and cultural events from the year 1000 to the present, highlighting important periods and inventi
