Simon Cowell to pen tell-all book

New York: Media mogul Simon Cowell is writing an autobiography, which will include all the gossip from behind-the-scenes of 'X Factor'.

Cowell, 55, said he is penning the book with the help of a writer, reported the Huffington Post.

"This year's 'X Factor' has been brilliant, both Fleur East and Ben Haenow have been a pleasure to work with," he said.

"As someone has already hinted, by the final stage of the competition, monsters do emerge. We have had our fair share. That goes in the next book," he added.

The book comes after Tom Bower's 2012 biography, which, at the time of publication, left Cowell less impressed.

"The last book was written about me, and I'm kind of thinking I didn't mind the book. So much has happened since then, I think it will be great."