Dan Roam (edit name/settings)

Bibliography

1. The Back of the Napkin

2. Unfolding the Napkin: The Complete Workbook for Solving Complex Problems with Simple Pictures

3. The back of the napkin : solving problems and selling ideas with pictures

4. The Back of the Napkin (Expanded Edition): Solving Problems and Selling Ideas with Pictures

5. Blah Blah Blah: What To Do When Words Don’t Work