A New Theory of Parallels

Einstein's Legacy: The Unity of Space and Time

Alan Turing: The Enigma: The Book That Inspired the Film The Imitation Game - Updated Edition

What Is Mathematics?: An Elementary Approach to Ideas and Methods, Edition 2

Zero: The Biography of a Dangerous Idea

Non-Euclidean Geometry

Humble Pi: A Comedy of Maths Errors

Geometry: A Very Short Introduction

Geometrical Researches on the Theory of Parallels

Elliptic Integrable Systems: A Comprehensive Geometric Interpretation

Geometry by Construction: Object Creation and Problem-solving in Euclidean and Non-Euclidean Geometries

The Maths Handbook: Everyday Maths Made Simple

The Story of Mathematics: From creating the pyramids to exploring infinity

The Calculus Story: A Mathematical Adventure

Men of Mathematics

The Joy Of X: A Guided Tour of Math, from One to Infinity

The Principia: The Authoritative Translation: Mathematical Principles of Natural Philosophy

Origami Design Secrets: Mathematical Methods for an Ancient Art, Second Edition, Edition 2