Anatomy of Ideas by Uta and Thilo von Debschlitz (Taschen, 2013), $60 from taschen.comYou can't open a magazine or look at a website these days without seeing an infographic. In the early 20th century, German doctor Fritz Kahn (1888–1968) devised illustrations to help distill complex scientific ideas. Learn more about his pioneering graphics in this new tome from Taschen.  Holiday Gift Guide: For the Gents by Diana Budds