NEW Explode the Code, Book 1 Workbook 2nd Edition by Nancy Hall Paperback ‏ : ‎ 96 pages ISBN-10 ‏ : ‎ 0838878016 ISBN-13 ‏ : ‎ 978-0838878019 Comes from a pet-free and smoke-free home. Trusted Seller = Buy with confidence. Interested in more than 1 item? Bundle and save $$$ on shipping.