Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Best Breastfeeding Book for Tots

This book is stellar. We purchase and give to all new breastfeeding babies and it is loved by all. The photos are endearing and the words are gentle and true. If you cannot find it on Amazon for a reasonable price (people seem to be over-charging for their used copies here), you can purchase directly from the author: [...]