Examines various attempts to prove Euclid's parallel postulate ― by the Greeks, Arabs and Renaissance mathematicians. Ranging through the 17th, 18th, and 19th centuries, it considers forerunners and founders such as Saccheri, Lambert, Legendre, W. Bolyai, Gauss, Schweikart, Taurinus, J. Bolyai and Lobachewsky. Includes 181 diagrams.

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Mythos Center Books is a research archive connected with Mythos Center, specializing in the areas of folklore, mythology, comparative religions, psychology, sociology, and depth psychology. Established 1990. Please send us with your want lists in these fields. As of 2025, we are dispersing the Mythos Center research collection.

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