Geometry and the Imagination - David Hilbert, Stephan Cohn-Vossen - Google Books

https://books.google.de/books?id=7WY5AAAAQBAJ&printsec=frontcover&dq=hilbert+cohn+vossen+geometry+imagination+klein&hl=de&sa=X&v

This remarkable book endures as a true masterpiece of mathematical exposition. The book is overflowing with mathematical ideas, which are always explained clearly and elegantly, and above all, with penetrating insight. It is a joy to read, both for…