Former Culture Secretary Nadine Dorries is penning a publication astir the governmental downfall of erstwhile PM Boris Johnson.
Mr Johnson was forced to discontinue successful July by the resignation of dozens of his ministers aft a bid of scandals.
One of the archetypal to spell was then-Chancellor Rishi Sunak, whom immoderate Conservative MPs accused of betraying the premier minister.
Ms Dorries' literate cause told the BBC the publication would beryllium published adjacent autumn and its moving rubric was The Plot.
He said she had already begun penning it.
He described it arsenic "a governmental whodunnit: execution connected the Downing Street express".
Those "who privation to cognize whose fingerprints are connected the weapon volition person to bargain the book", helium added.
A erstwhile nurse, calved successful Liverpool, the MP for Mid Bedfordshire is already a palmy writer of romanticist humanities novels acceptable successful Liverpool and Ireland.
During the Conservative enactment contest, which followed Mr Johnson's resignation, she was repeatedly captious of Mr Sunak.
He mislaid the contention to Liz Truss, but past replaced her erstwhile she discontinue conscionable implicit six weeks aboriginal amid the economical and governmental turmoil which followed the September mini-budget.
Mr Johnson had indicated helium would tally successful a enactment contest, opening the mode to a instrumentality to Downing Street, but pulled out, clearing the mode for Mr Sunak to instrumentality over.
Despite her criticisms of Mr Sunak, the Evening Standard reported that Ms Dorries was playing down suggestions her publication would constituent the digit astatine the caller premier curate for forcing Mr Johnson out.
She has often argued Mr Johnson is the lone Tory person who tin bushed Labour astatine the adjacent wide election.
She precocious told The House magazine: "He volition beryllium back. I don't cognize when, I don't cognize how, I don't cognize whether it volition beryllium 10 years oregon 10 months."
Ms Dorries is thought to person been nominated for a peerage successful Mr Johnson's resignation honours list, though her assignment is believed to person been delayed to debar triggering a by-election.
Conservative MP Julian Knight, who chairs the digital, culture, media and athletics prime committee, told the Evening Standard: "I'm definite the publication whitethorn springiness Rishi immoderate sleepless nights. Nadine is not known for her forgiving streak, and I ideate she won't propulsion immoderate punches erstwhile naming names and pointing the finger.
"It's each portion of a thread of covert asides astatine the caller regime… you person a rump of Johnsonites and past those sacked by Liz Truss. There's a batch of discontented radical around."