Underboss

He swore to take all Mafia secrets to the grave. A blood oath Sammy the Bull Gravano broke when his eyewitness testimony sent the Mob's most famous don, John Gotti, to prison for the rest of his life. Brazen, bold and proud, Gravano tells all in this unique insider's view of today's mafia--a secret community of killers and thieves where there is no honor, no shame, no safety and above all, no loyalty.