Simon Cowell's life story is being told in a new biography of the star.
Tom Bower's Sweet Revenge: The Intimate Life Of Simon Cowell is being published in the spring.
Ballantine Books, which is an imprint of Random House Inc, said the writer had "hundreds of hours" of access to the US X Factor judge.
The book will also include "direct contributions" from the TV and music mogul's friends and foes.
The writer has penned 19 books, including a biography of former Prime Minister Gordon Brown.
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