masukomi (π) rated The Back of the Napkin: 5 stars
The Back of the Napkin by Dan Roam
A bold new way to tackle tough business problemsβeven if you draw like a second graderWhen Herb Kelleher was brainstorming β¦
A bold new way to tackle tough business problemsβeven if you draw like a second graderWhen Herb Kelleher was brainstorming β¦