SF Encyclopedia Picture Gallery
Ian Stewart. Game, Set & Math: Enigmas and Conundrums (Oxford: Basil Blackwell, 1989) [nonfiction: coll: hb/Steven Flemming]
From the collection of David Langford
Ian Stewart. Game, Set & Math: Enigmas and Conundrums (Oxford: Basil Blackwell, 1989) [nonfiction: coll: hb/Steven Flemming]
From the collection of David Langford