Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Staightforward, effective, user friendly guide & reference.

A-1 K-9: A Six-week Schedule Of Dog Training Made As Easy As A-B-C, 1-2-3! by canine expert is a straightforward, effective, "user friendly" guide to teaching a canine companion obedience to simple commands. Illustrated with black-and-white photographs, A-1 K-9 contains explicitly clear instructions for pet owners to effectively and humanely train their dog to come when called, sit on command, or lie down. Divided into segments with quizzes to check how well the reader has absorbed information, A-1 K-9 is a first-rate "how to" guidebook and reference for anyone ready to learn how to train their dog!