Underboss (book)

Underboss is a 1997 biographical book based on the life of Sammy "The Bull" Gravano.^[1] The book goes through Gravano's early life up to 1997, which does not cover his re-arrest. The book's author is Peter Maas, who also wrote the book The Valachi Papers. Although Peter Maas is the credited author, Gravano was interviewed multiple times to describe what happened in his life. The book is published by HarperCollins Publishing Company.

Underboss

Author	Peter Maas
Language	English
Subject	Sammy Gravano American Mafia
Genre	Crime Biography
Publisher	HarperCollins
Publication date	1997
Publication place	United States
Media type	Print (hardcover & paperback)
Pages	308 pp
ISBN	0-06-018256-3