""Elements of Plane Geometry, According to Euclid: As Improved by Simson and Playfair, with Several New Improvements and Additions"" is a book written by Andrew Bell in 1837. The book is a comprehensive guide to plane geometry, with a focus on Euclidean geometry. It includes a detailed explanation of the principles and concepts of geometry, as well as a thorough exploration of the various theorems and proofs. The book also includes several new improvements...