Nigel Holmes on Information Design
by Steven Heller. 2006, Pinto Books
Buy it from Amazon
Bracketology
by Mark Reiter and Richard Sandomir. 2007, Bloomsbury
(designed by me)
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Wordless Diagrams
published April 2005 by Bloomsbury
Buy it from Amazon
read the publisher's announcement



The Smallest–Ever Guide to the Internet
(for busy people)

The 7th (and final) edition came out in 2002, so it's a bit outdated now, but I still have some copies
buy it from arturan

The Smallest-Ever Guide to Chocolate, 2006
available online soon

Drawing to Explain
out of print

Pictograms
buy it from arturan

The Best In Diagrammatic Graphics (pub. Rotovision)
buy it from amazon.com



I wrote the following three books (all published by Watson Guptill) in the last century and they are out of print now, but you can see them in lots of libraries, or you could try to find them at bibliofind.com.

Designer's Guide to Creating Charts and Diagrams
buy it from amazon.com

Designing Pictorial Symbols
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Pictorial Maps
buy it from amazon.com