Down Syndrome: Visions for the 21st Century William I. Cohen (Editor), Lynn Nadel (Editor), Myra E. Madnick (Editor) ISBN: 978-0-471-41815-3 Paperback 496 pages June 2002 US $33.99 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. Other Available Formats: E-book