A Guide to Building the Worlds of Your Imagination From the back of the book: Have you ever wanted to build a world of your own? Lao Tzu said, "A journey of a thousand miles begins with a single step." But the journey imagination begins with a single idea - one that can shape entire worlds, if you so choose. In Terra Incognito, White outlines the detailed steps by which writers can create the sort of countries, populations, governments, and militaries essential for building a three-dimensional world that will engage readers.