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

The acclaimed bestseller about visual problem solving-now bigger and better "There is no more powerful way to prove that we know something well than to draw a simple picture of it. And there is no more powerful way to see hidden solutions than to pick up a pen and draw out the pieces of our problem." So writes Dan Roam in The Back of the Napkin, th...