Question: Helter Skelter is a true crime book, released in which year, by Curt Gentry and Vincent Bugliosi, an American attorney and "New York Times" bestselling author?

Documents:
source: Vincent Bugliosi
text: Vincent Bugliosi Vincent T. Bugliosi, Jr. ( ; August 18, 1934 – June 6, 2015) was an American attorney and "New York Times" bestselling author. During his eight years in the Los Angeles County district attorney's office, he successfully prosecuted 105 out of 106 felony jury trials, which included 21 murder convictions without a single loss. He was best known for prosecuting Charles Manson and other defendants accused of the seven Tate–LaBianca murders of August 9–10, 1969. Although Manson did not physically participate in the murders at Sharon Tate's home, Bugliosi used circumstantial evidence to show that he had orchestrated the killings.

source: Helter Skelter (book)
text: Helter Skelter (book) Helter Skelter (1974) is a true crime book by Vincent Bugliosi and Curt Gentry. Bugliosi had served as the prosecutor in the 1970 trial of Charles Manson. The book presents his firsthand account of the cases of Manson, Susan Atkins, Patricia Krenwinkel, and other members of the self-described Manson Family. It is the best-selling true crime book in history.

source: And the Sea Will Tell
text: And the Sea Will Tell And the Sea Will Tell is a true crime book by Vincent Bugliosi and Bruce Henderson. The nonfiction book recounts a double murder on Palmyra Atoll; the subsequent arrest, trial and conviction of Duane ("Buck") Walker; and the acquittal of his girlfriend, Stephanie Stearns, whom Bugliosi and Leonard Weinglass defended. The book went to No. 1 on the "New York Times" hardcover bestseller list in March 1991 and is still in print as a trade paperback and ebook.

source: Reclaiming History
text: Reclaiming History Reclaiming History: The Assassination of President John F. Kennedy is a book by attorney Vincent Bugliosi (Norton, 2007; 1,632 pages; ISBN ) that analyzes the events surrounding the assassination of John F. Kennedy, focusing on the lives of Lee Harvey Oswald and Jack Ruby. The book is drawn from many sources, including the Warren Report. Bugliosi's 1,632-page, 1,535,791-word book (with a CD-ROM containing an additional 1,000+ pages of footnotes) analyzes all aspects of the assassination and the rise of the conspiracy theories about Kennedy's assassination in the years subsequent to the event. Bugliosi argues that the Warren Commission's conclusion that Lee Oswald acted alone in shooting Kennedy is correct. The book won the 2008 Edgar Award for the Best Fact Crime category.

source: Curt Gentry
text: Curt Gentry Curtis Marsena "Curt" Gentry (June 13, 1931 – July 10, 2014) was an American writer, born in Lamar, Colorado. He is best known for co-authoring, with Vincent Bugliosi, the 1974 book "Helter Skelter", which detailed the Charles Manson murders. Gentry lived in San Francisco, California.

source: In Broad Daylight
text: In Broad Daylight In Broad Daylight is a true crime book by award-winning writer Harry N. MacLean, detailing the killing of town bully Ken Rex McElroy in 1981 in Skidmore, Missouri. The book won an Edgar Award for best true crime writing in 1989, was a "New York Times" bestseller for 12 weeks (charting at number 2) and was adapted into a television movie of the same name. The book was reissued in 2007 by St. Martin's Press with a new epilogue.

source: John Roecker
text: John Roecker John Roecker is an independent filmmaker who is associated with the punk subculture. He currently resides in Los Angeles, California. Roecker is probably best known for "Live Freaky! Die Freaky! ", a stop motion animated comedy based on the true crime book "Helter Skelter".

source: Helter Skelter (1976 film)
text: Helter Skelter (1976 film) Helter Skelter is a 1976 television film based on the 1974 book by prosecutor Vincent Bugliosi and Curt Gentry. In the United States, it aired over two nights. In some countries it was shown in theaters with additional footage (nudity, language and more violence).

source: Helter Skelter: L.A. Art in the 1990s
text: Helter Skelter: L.A. Art in the 1990s Helter Skelter: L.A. Art in the 1990s, named after The Beatles' song that motivated Charles Manson, was a contemporary art exhibition held from January 26, to April 26, 1992 at the L.A. Museum of Contemporary Art. Organized by Paul Schimmel, "Helter Skelter" displayed the work of 16 artists. Featuring works of sex, violence, and warped Americana, the exhibition aimed to destroy stereotypes of L.A. art and challenge the New York school. At the time "Helter Skelter" was hailed as the prime example of modern contemporary art and is still held as one of the most important and influential contemporary art exhibits in recent years.

source: Murder on the High Seas (book)
text: Murder on the High Seas (book) Murder on the High Seas – "The True Story of the Joe Cool's Tragic Final Voyage" is a true crime book written by Carol Soret Cope, bestselling author of "In the Fast Lane: A True Story of Murder in Miami" and "Stranger Danger: How to Keep Your Child Safe". The book explores the investigation into the mysterious murders aboard the Joe Cool.

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Answer: 1974