Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Engrossing account of a disturbing event in Truro's history

Readers of this book will appreciate the enormous amount of research by the author evident in this scrupulously detailed account of this unspeakable crime. The characters are developed and the tension builds in a manner of a top fictional thriller - but these events and the characters depicted are real. The chapters are short creating a tempo where the plot thickens and the tension builds. Keep in mind the zeitgest of the time - this was the late 1960's; the Manson murders had happeneded the summer previous but had yet to be solved. A page turner!