14 ARKANE Headquarters, London. Martin Klein walked around his desk to the wall of his office and examined the colored markers arrayed in a rainbow from light to dark. This called for crimson and cerulean blue. He picked up the particular pens and began to draw directly on the office walls, allowing the critical part of his mind to relax as he shaded and cross-hatched and spiraled across the white. Despite his many technological tools, Martin had learned that his mind sometimes just figured things out this way. While some people had ideas in the shower, he found inspiration in drawing. It distracted his analytical mind and enabled him to find the most peculiar connections. Of course, his office had to be repainted every few months, or whenever he had solved whatever problem was most pre

