SF Encyclopedia Picture Gallery
A K Dewdney. 200% of Nothing: An Eye-Opening Tour Through the Twists and Turns of Math Abuse and Innumeracy (New York: John Wiley and Sons, 1993) [nonfiction: hb/nonpictorial]
From the collection of David Langford
A K Dewdney. 200% of Nothing: An Eye-Opening Tour Through the Twists and Turns of Math Abuse and Innumeracy (New York: John Wiley and Sons, 1993) [nonfiction: hb/nonpictorial]
From the collection of David Langford