Jack the Dog: A Book About Down Syndrome (Paperback) by Sj Childs

9781700263421. New condition. Trade paperback. Language: English. Pages: 32. Trade paperback (US). Glued binding. 32 p. Healthy Minds Create Healthy Futures, 2. Intended for a juvenile audience. This is a great book to help others understand Down Syndrome. What is Down Syndrome? "What is a chromosome, what does it do? When Jack was born he had one more than me and you." Check out our question and answer page and the end of the book.