Download or read book Changeology written by John C. Norcross and published by Simon and Schuster. This book was released on 2013-12-10 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: An internationally recognized expert on behavior change presents a revolutionary approach to personal improvement that converts scientifically proven techniques into a 90-day plan with five simple steps. 35,000 first printing.