Old Tree Books
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You may purchase either hardcover or softcover copies of How the World Worked via PayPal by clicking Buy Now above.
The book is also available from Amazon.
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"How the World Worked is a hard book to put down. Dr. Bessmer links familiar events in human history, but the threads have never been pulled together in quite this way before. With engaging style and wit, she tells the story of forces that have shaped people’s lives for thousands of years."
Richard Price, The Nature Conservancy, San Francisco, CA