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Human History

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  1. The Story of Clocks and Calendars

    The Story of Clocks and Calendars - Award-winning history book

    Children will journey through time and across civilizations to learn how human beings have relied on calendars to tell us when to plant, harvest, and rest. Indexed, with cultural, science, and history references. Paperback, 48 pages. Learn More
    $9.95
    EM33
    In Stock

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