Introduction to Non-Euclidean Geometry Contents include "Ride of the

Contents include "Ride of the Valkyries" and other works by Wagner

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but with many explanatory details

This is a valuable work for the student and the amateur hobbyist as well as for many who use optical instruments in science and industry

Introduction to Non-Euclidean Geometry Contents include "Ride of theOne of the first college level texts for elementary courses in non Euclidean geometry, this concise, readable volume is geared toward students familiar with calculus. A full treatment of the historical background explores the centuries long efforts to prove Euclid's parallel postulate and their triumphant conclusion. Numerous original exercises form an integral part of the book. Topics include hyperbolic plane geometry and hyperbolic plane