It's no secret that reading can help you get ahead. The most accomplished people tend to love to read. However, starting a new book can seem daunting and overly time-consuming. The good news is there are several short business books loaded with powerful information about selling, managing, and investing.  We compiled a list of the best business books under 150 pages that you can start    and finish in an afternoon. 'Who Moved My Cheese?' by Spencer Johnson Image credit: Penguin Books | Amazon " Who Moved My Cheese? " made it on "Shark Tank" investor Daymond John's list of  business books that changed his life .  Johnson's parable was an instant hit when it came out in 1998 and has continued to be a bestseller over the past decade. It tells the story of two mice, Scurry and Sniff, and two sprite-like people, Hem and Haw, living in a maze where the location of the cheese suddenly begins changing every day. Johnson wrote ...