[en] [Russell's Attic 02] • Half Life SL Huang
[en] 536 Puzzles & Curious Problems Scribner Book Company
[en] [Russell's Attic 01] • Russell's Attic, Books 1 - 3 SL Huang
[en] Learning R O'Reilly Media
[en] From Eternity to Here · the Quest for the Ultimate Theory of Time Dutton Adult
[en] Weird Maths Oneworld Publications
[en] [The Heart of Hidden Reality 01] • Love and Math Basic Books
[en] R in a Nutshell O'Reilly Media
[en] Linked · the New Science of Networks Basic Books
[en] Flatland (Illustrated Edition) CreateSpace
[en] R Cookbook O'Reilly Media
[en] [Gutenberg 812] • Catalan's Constant to 1,500,000 Places MVB E-Books
[en] [Gutenberg 633] • The Golden Mean or Ratio[(1+sqrt(5))/2] / To 20,000 places Public Domain Books
[en] [Gutenberg 63] • The Number "e" Montlake Romance
[en] [Gutenberg 52052] • The Puzzle King / Amusing arithmetic, book-keeping blunders, commercial comicalities, curious "catches", peculiar problems, perplexing paradoxes, quaint questions, queer quibbles, school stories, interesting items, tricks with figures, cards, draughts, dice, dominoes, etc., etc., etc. Brisbane, H. J. DIDDAMS & CO., Printers and Publishers, Elizabeth Street
[fr] [Gutenberg 27936] • Histoire des nombres et de la numération mécanique Createspace Independent Publishing Platform