Robert K. Tanenbaum is the author of 30 books; 27 novels and 3 nonfiction works. The Piano Teacher is the story of a psychotic killer. Badge of the Assassin recalls the true account of Tanenbaum's investigation and trial of self-proclaimed members of the Black Liberation Army who assassinated two NYPD police officers, Waverly Jones and Joseph Piagentini. It was later adapted into a movie titled Badge of the Assassin, starring James Woods as Tanenbaum.

Tanenbaum's signature work, Echoes of My Soul was published in May 2013 by Kensington Books and was named 'Pick of the Week' by Publisher's Weekly in its April 22, 2013 edition. It is the true story of one of the most intense manhunts in police history—and of the young District Attorney who exonerated the unjustly accused, brought the killer/ rapist to justice and forever reformed law enforcement practices, paving the way for the Miranda Decision.

His latest novel, Trap, was published by Simon and Schuster Gallery Books on August 11, 2015 -Wikipedia