Roam, Dan,  <br/><br/>
The back of the napkin :   solving problems and selling ideas with pictures 

 - 278 pages :   illustrations ;   18 cm 
<br/><br/><label>ISBN: </label>9781591841999 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Problem solving - Audio-visual aids.
<br/><br/><label>Dewey Class. No.: </label>658.403