President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE on Monday morning slammed veteran journalist Bob Woodward's new book as a "total joke," vowing to write a "real book" of his own.

"The Woodward book is a Joke — just another assault against me, in a barrage of assaults, using now disproven unnamed and anonymous sources," Trump tweeted. "Many have already come forward to say the quotes by them, like the book, are fiction. Dems can’t stand losing. I’ll write the real book!"

The Woodward book is a Joke - just another assault against me, in a barrage of assaults, using now disproven unnamed and anonymous sources. Many have already come forward to say the quotes by them, like the book, are fiction. Dems can’t stand losing. I’ll write the real book! — Donald J. Trump (@realDonaldTrump) September 10, 2018

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The White House has spent days pushing back on Woodward's upcoming book, "Fear: Trump in the White House." The president has claimed the Watergate journalist is an "idiot," while White House press secretary Sarah Huckabee Sanders said the book is full of "fabricated" accounts.

Trump in a subsequent tweet early Monday insisted the White House is a "smooth running machine."

"We are making some of the biggest and most important deals in our country’s history — with many more to come!" he said. "The Dems are going crazy!"

The White House is a “smooth running machine.” We are making some of the biggest and most important deals in our country’s history - with many more to come! The Dems are going crazy! — Donald J. Trump (@realDonaldTrump) September 10, 2018

Excerpts from Woodward's book published last week describe a chaotic White House in which staffers sometimes seek to stave off Trump's impulses and regularly bad-mouth the president behind closed doors.

Woodward during a CBS interview on Sunday said he stands by his reporting.

"My reporting is meticulous and careful," Woodward said, noting that President Nixon's White House also sought to undermine his credibility as he and Carl Bernstein reported on the Watergate scandal for The Washington Post.

Woodward added that he believes people need to "wake up" to what is happening in the White House.

Updated at 7:46 a.m.