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The Pictorial Ptolemy and Copernicus
Price: $4.99 USD. Words: 11,150. Language: English. Published: February 10, 2019. Categories: Nonfiction » Education & Study Guides » History
This is a pictorial guide to the Ptolemaic and Copernican systems in 36 hard to obtain diagrams. Many of these original diagrams are to-scale, allowing the reader to quickly contrast the systems.The book also provides considerable commentary and evaluation of the successes and failings of the systems, closing with a discussion of the benefits of the Copernican system
20 Unsolved Mysteries Of All Time.
Series: Educational Books. ยท All Of My Books.. Price: $0.99 USD. Words: 4,180. Language: American English. Published: November 22, 2017. Categories: Nonfiction » General reference » Curiosities & wonders, Nonfiction » Education & Study Guides » History
20 Unsolved Mysteries Of All Time, We have 20 Unsolved mysteries of all time, From Jack the Ripper to The Loch Ness Monster. Can you help solve any? or just read the history behind the case.