Developmental Disabilities in Ontario – 4th Edition Textbook April 1, 2025

OADD no longer sells this book: All future sales of the textbook Developmental Disabilities in Ontario 4^th edition ISBN 978-1-7771637-0-9 will be handled directly through DDO Publishing.

To order copies of the textbook use the link to the on-line store:

DDO Textbook Ordersorder.ddopublishing.com

 Thank you for your support over the years!