 Letters to a Young Mathematician by Ian Stewart |  Fractals, Googols, and Other Mathematical Tales by Theoni Pappas |  How to Cut a Cake by Ian Stewart |  An Introduction to Mathematics by Alfred North Whitehead |  The Mathematical Universe by William Dunham |  What Is Mathematics? An Elementary Approach to Ideas and Methods by Richard Courant |  The Grapes of Math by Alex Bellos |  Things to Make and Do in the Fourth Dimension by Matt Parker |  Math Doesn't Suck by Danica McKellar |  Professor Stewart's Cabinet of Mathematical Curiosities by Ian Stewart |  Mathematics by Timothy Gowers |  Archimedes' Revenge by Paul Hoffman |  Kiss My Math by Danica McKellar |  The Mathematical Tourist by Ivars Peterson |  More Murderous Maths by Kjartan Poskitt |  The Gobsmacking Galaxy by Kjartan Poskitt |  What If? by Randall Munroe |  Thing Explainer: Complicated Stuff in Simple Words by Randall Munroe |  Gulp by Mary Roach |  The Way Things Work by David Macaulay |