An upcoming biography of David Bowie reveals new details about the singer's life, including some strange propositions, NME reported.

“David Bowie: A Life” will be released Sept. 12. Written by Dylan Jones, the biography is described as “intimate a portrait as may ever be drawn” about Bowie, who died Jan. 11, 2016, after an 18-month battle with cancer.

In the book, groupie Josette Caruso describes the time Bowie was offered a “warm, deady body” to have sex with while on tour in Philadelphia in September 1972, NME reported.

According to the Daily Mail, Caruso told how Bowie's bodyguard answered the door and then called for the singer, looking "white as a sheet."

“He obviously looked like such a freak that some sick people thought he might be into necrophilia,” Caruso said.

“Who on earth do they think I am? Why would they think I’d be interested in something like that?” Bowie reportedly said.

Other details from the book, according to the Daily Mail:

  • Bowie's sex addiction drove him to sleep with 13-year-old groupies, engage in orgies and declare he was bisexual.
  • Because of his brother's schizophrenia, he did not like LSD but developed a cocaine habit.
  • Born David Jones, he changed his last name to Bowie -- like the Bowie Knife -- after British media nicknamed Mick Jagger, 'Jagger Dagger' 

The book also gives a detailed insight into the singer's life from his childhood in Brixton, through his wild and successful music career, to his relatively calm last few years with wife Iman, NME reported.by

“David Bowie was his very own creation, his very own work of art,” Dylan Jones writes.“This was the boy from postwar Brixton with his sights set on the world.”