Instruct: Classify the given review as either positive or negative.
Query: Kept me up late

A book for everyone who likes suspense, intrigue, and adventure. Fans of novles like The Triumph and the Glory or The Hunt for Red October will like this book. People who liked The Spy Who Came in From the Cold or Run Silent, Run Deep will like this book. People who liked Stones From the River or The Cardinal of the Kremlin will like this book. Even a few readers who enjoy the Oprah books will like this book, it will keep you turning the page no matter who you are. Don't miss this one.