The Back of the Napkin (Expanded Edition): Solving Problems and Selling Ideas with Pictures cover
The Back of the Napkin (Expanded Edition): Solving Problems and Selling Ideas with Pictures
by Dan Roam
ISBN: 1591842697
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brudgers · 2011-10-28 · Original thread
A good book on sketching and it's application as a business communication tool is Dan Roam's The Back of the Napkin.

http://www.amazon.com/Back-Napkin-Expanded-Problems-Pictures...