Clarke, Gerald (1988) Capote: A Biography. Simon and Schuster. Bestselling and critically acclaimed biography. Basis for the 2005 film Capote.
Colacello, Bob (1990) Holy Terror: Andy Warhol Close Up. HarperCollins. Contains many anecdotes regarding Capote's association with Warhol, and an entire chapter on Capote's relationship with Interview magazine and how it led to the writing of Music For Chameleons.
Garson, Helen S. Truman Capote: A Study of the Short Fiction. Boston; Twayne, 1992.
Plimpton, George (1997) Truman Capote, In Which Various Friends, Enemies, Acquaintances, and Detractors Recall His Turbulent Career. Published by Nan A. Talese (imprint of Doubleday). Collection of first-hand observations about the author. Basis for the film Infamous (2006).
Walter, Eugene, as told to Katherine Clark, foreword by George Plimpton (2001) Milking the Moon: A Southerner's Story of Life on This Planet. Crown. Actor-novelist-raconteur Walter, who first met Capote when they were children, recalled several anecdotes about Capote as an adult and as a child (when he was known as Bulldog Persons).
Dear Mr. Capote is Gordon Lish's first novel, which tells the story of a serial killer, who wants Truman Capote to write his biography. In the letter the killer writes to Truman Capote, the details of his life and his modus operandi are revealed.
Schwartz, Alan U. 2006. Afterword. In Truman Capote, Summer Crossing. Modern Library.
Johnson, Thomas S., (1974) "The Horror in the Mansion: Gothic Fiction in the works of Truman Capote." Ann Arbor, Mich.: Dissertation Abstracts.