The Book of General Ignorance was released in the UK a year after "The Book of General Ignorance", on 4 October 2007. An audiobook adaptation called "The Sound of General Ignorance" was scripted and read by the authors on 4 November 2008. On 25 December 2008 an extended version of the book, entitled "The Noticeably Stouter Edition", was published to coincide with "QI" moving to BBC One. This new version included new facts, quotes from the show, a list of all the episodes made at the time, an index, and a new collection of "Four words" from Davies. On 1 November 2007 another "QI" spin-off
What Is Mathematics? Expectations" by Charles Dickens. According to Constance Reid, Courant finalized the title after a conversation with Thomas Mann. What Is Mathematics? What Is Mathematics? is a mathematics book written by Richard Courant and Herbert Robbins, published in England by Oxford University Press. It is an introduction to mathematics, intended both for the mathematics student and for the general public. First published in 1941, it discusses number theory, geometry, topology and calculus. A second edition was published in 1996 with an additional chapter on recent progress in mathematics, written by Ian Stewart. The book was based on Courant's course material. Although