Instruct: Classify an Amazon review into positive or negative sentiment.
Query: An Excellent Resource by a Noted Expert

Ann Wallace is nationally recognized as an expert on fabrics and textiles of the American Arts and Crafts Movement. She has developed her knowledge both through academic and practical experience.This book reflects her experience and knowledge. It is a "must have" book for anyone interested in the history of the Craftsman Movement in the U.S., and especially for anyone who is acquiring or collecting textiles from the period, or contemporary work done in the Craftsman Style.