Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A brilliantly researched and heartfelt book

Written by a father who saw his family ruined by recovered memories of abuse, this wonderful book tells the sad story of the recovered memory movement. The book is both exciting and horrifying as he tells his own true story and then carefully presents the evidence of the tragic development of the idea of recovered memories. This heartbreaking story has been repeated in too many families across the US.