Our books are pre-loved which means they have been read before. We carefully check all our books and believe them to be in - USED - GOOD Condition condition. If you re not completely satisfied please get in touch & we ll be happy to help. ISBN-10: 1338288792 ISBN.-13: 9781338288797 Take an adventure through Overwatch with this updated guide! Includes epic poster. This updated guide is the perfect introduction to the heroes of Overwatch their epic weapons and unique abilities plus maps from all over the world!