"Chaos: Charles Manson, the CIA, and the Secret History of the Sixties" is a paperback book written by Tom O'Neill. The book delves into the dark and mysterious connections between Charles Manson, the CIA, and the tumultuous events of the 1960s. O'Neill presents a compelling narrative that unravels the intricate web of secrets and conspiracies that shaped this turbulent era in American history. With a focus on the darker aspects of the times, the book offers a captivating exploration of the chaos that permeated the cultural and political landscape of the era.