[en] [Gutenberg 16449] • The Number Concept: Its Origin and Development

[de] [Gutenberg 48312] • Die Grundlagen der Arithmetik / Eine logische mathematische Untersuchung über den Begriff der Zahl Reclam

[en] Alex's Adventures in Numberland Bloomsbury

[en] Realm of Numbers Gollancz

[en] The Golden Ratio and Fibonacci Numbers World Scientific Publishing Company

[en] Worried Sick · a Prescription for Health in an Overtreated America Chapel Hill : University of North Carolina Press, c2008.

[en] The Book of Nothing · Vacuums, Voids, and the Latest Ideas About the Origins of the Universe Vintage

[en] Kahlo's Koalas · 1, 2, 3, Count Art With Me Andrews McMeel Publishing

[en] The Prime Number Conspiracy, The Biggest Ideas in Math from Quanta MIT Press