 Linear Agebra and Its Applications by Gilbert Strang |  Finite-Dimensional Vector Spaces by Paul R. Halmos |  An Introduction to Mathematics by Alfred North Whitehead |  How to Cut a Cake by Ian Stewart |  The Mathematical Universe by William Dunham |  Letters to a Young Mathematician by Ian Stewart |  Murderous Maths by Kjartan Poskitt |  Fractals, Googols, and Other Mathematical Tales by Theoni Pappas |  What Is Mathematics? An Elementary Approach to Ideas and Methods by Richard Courant |  The Mathematical Tourist by Ivars Peterson |  Matrix Analysis by Roger A. Horn |  Mathematics by Timothy Gowers |  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 |