Con ilustraciones y texto detallado, este libro ofrece información sobre los diversos sistemas, aparatos y órganos del cuerpo humano. With illustrations and detailed text, this book offers information on the different systems and organs of the human body.

A comprehensive look at the arctic tundra and polar desert biomes, examining their climate, plants, animals, people, and future, plus detailed views of some famous or important cold regions.

A comprehensive look at the temperate forest biome, examining its climate, plants, animals, people, and future, plus detailed views of some famous or important temperate locations.

Discusses the Civil War and Reconstruction and their effects on the nation and on Black Americans in particular.

Describes the oceans of the Earth, including their effect on world climate and the plants and animals that live in them.

Taiga is a biome of the Northern Hemisphere, between tundra to the north and broad-leaved forest and temperate grassland to the south. Taiga includes dense forest, open forest, and jigsaw puzzles of forests, wetlands, and lakes that can be found in northwestern and northeastern America, northern Europe, Siberia, and East Asia. Examining its geography, geology, climate, and biodiversity, Taiga describes this unique ecosystem in a clear, complete manner....

Text plus historical and contemporary maps provide a look at the history of the Ancient Near East.

Text plus historical and contemporary maps provide a look at the world during the Age of Exploration.

Animal 123's introduces preschoolers to the vast and amazing animal kingdom and basic counting and number recognition skills simultaneously! Filled with songs, games, rhymes, and puzzles, Animal 123's is entertainment that encourages child development and an awareness and appreciation of animals everywhere. Specially-designed to fascinate and delight children.