Stated 1st Edition, full 1-10 number line on publisher page. Book is in overall very good condition, dust jacket 97% intact, triangular piece missing at base of spine, now protected by clear plastic cover. Book has the letter "D" marked at top of front end-paper, no other marks or writing inside, text-block solid, beginning to separate slightly at front hinge, corners sharp. Please see pics for condition details. Overall, a very good copy that will be well-packaged and promptly shipped with USPS Media Mail.