Feeling guilty about putting off something important? Can’t seem to finish that daunting task at the top of the to-do-list? Here’s a philosophy book for you: “The Art of Procrastination: A Guide to Effective Dawdling, Lollygagging and Postponing”. John Perry is an emeritus professor of philosophy at Stanford University, and an admitted chronic procrastinator. He wrote the book as a way of avoiding doing something else – a principle he calls “structured procrastination".