This is an addition to a book I've already written in, so please understand that there are a lot of markings, dog-ears, and such. A book that unravels the psychology of procrastination. - Title: The Procrastination Equation: How to Stop Putting Things Off and Start Getting Stuff Done - Author: Piers Steel - Translator: Chiaki Ikemura - ISBN: 9784846211216 - Price: 1800 yen Thank you for looking.