The actress-turned-fashion designer - who has three children
Rafferty, 13, Iris, nine, and Rudy, seven, with the 36-year-old Hollywood actor - will lift the lid on their stormy marriage which ended after six years in October 2003.
The 44-year-old brunette's "amazing story" is also expected to reveal details about best friend Kate Moss and her first husband, Spandau Ballet singer Gary Kemp, who is the father of her 19-year-old son Finlay.
Publisher John Blake has revealed that Sadie has sold her memoirs for a "five-figure sum".
He said: "You couldn't wish for more in an autobiography.
"We haven't discussed the finer detail, but we would expect it to contain pretty much everything.
"Sadie has a very good sense of humour and is very self-deprecating."
Shortly after Sadie and Jude separated, the 'Alfie' actor started dating Sienna Miller - who was reportedly a rival of Sadie's supermodel friend Kate at the time.
Sadie - who runs fashion label Frost French with her friend Jemima French - is also expected to talk about her bohemian childhood as the daughter of psychedelic artist David Vaughan.
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