Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A Gripping Book!

Rhese are the types of books that are designed to scare you. You have an airplane containing a deadly gas dissapearing. Finallour hero Dirk Pitt discovers the missing plane at the bottom of a lake in Colorado. Upon diving into the sunken plane Dirk discovers that two cannisters of the death gas are gone. This story then develops into an all out effote by Pitt to stop a terrorist act from being launched on Washington D.C. The terrorists are racing down the Potomac with the deadly gas in hand. Our hero Dirk Pitt finally prevails. An edge of your seat thriller. Buy this book and read it. You will not be dissapointed.