Reason and Therapeutic Change Windy Dryden ISBN: 978-1-870332-92-7 Paperback 336 pages October 2007 US $62.95 Add to Cart This price is valid for United States. Change location to view local pricing and availability. This is a Print-on-Demand title. It will be printed specifically to fill your order. Please allow an additional 2-3 days delivery time. The book is not returnable.