Checkerboard Press Books
Biology Encyclopedia
Discusses animal and plant biology, the building blocks of life, how animals survive in nature, evolution, and genetics.
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Checkerboard Press Computers and Electronics
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Examines the world of computers and electronics, focusing on such areas as triodes and transistors, recorded sound and video, computer memory, programming, computer games and art, and electronic co...
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Checkerboard Press History Encyclopedia.
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Surveys world history, covering such topics as the first people, the Roman Empire, the Middle Ages, the Industrial Revolution, and the Cold War.
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