Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Big problems

I am a fan of Scott Peck's work - however there is a problem with this book: he leans on the writings of Malachi Martin. Since the publication of the memoir by Time magazine's Robert Blair Kaiser ("Clerical Error: A True Story", Continuum International Publishing Group, 2002) there are good reasons to doubt much of what was previously believed to be known about the lifelong liar Malachi Martin, and certainly to be suspicious of his "factual" writings (see a useful comment below for more).So as a result "Glimpses of the Devil" is a very flawed book.