Visual Thinking: The Hidden Gifts of People Who Think in Pictures, Patterns

Travels with a Tangerine: A Journey in the Footnotes of Ibn Battutah

In Search of Thinking: Reflective Encounters in Experiencing the World

Thinkertoys: A Handbook of Creative-Thinking Techniques.

Footnotes: A Journey Round Britain in the Company of Great Writers

Third Millennium Thinking: Creating Sense in a World of Nonsense [Paperback]

Visual and Statistical Thinking: Displays of Evidence for Making Decisions

Travels with a Tangerine: A Journey in the Footnotes of Ibn Battutah