This document summarizes key aspects of visual thinking and problem solving presented in the book "The Back of the NAPKIN" by Dan Roam. It outlines the visual thinking process, tools for visual representation including charts, maps, timelines and flow charts. It also discusses frameworks for showing such as using simple, quality, vision, delta, and individual representations. The document concludes by providing information about the China Institute for Innovation, a consulting organization that helps companies and organizations improve innovation.