President Trump Donald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE on Thursday night lashed out at the author of a forthcoming book about his administration that has taken Washington by storm, while questioning the author's "past."

Trump wrote on Twitter that he gave author Michael Wolff "zero access" to the White House for his book, "Fire and Fury: Inside the Trump White House," which is set to be released Friday.

The president claimed that he turned down the author "many times" and "never spoke to him for the book," which he asserted is "full of lies" and "misrepresentations."

"Look at this guy’s past and watch what happens to him and Sloppy Steve!" Trump wrote, apparently referring to his former chief strategist Steve Bannon Stephen (Steve) Kevin BannonJuan Williams: Swamp creature at the White House Engineers say privately funded border wall is poorly constructed and set to fail: report Bannon and Maxwell cases display DOJ press strategy chutzpah MORE, who is quoted extensively in the book.

I authorized Zero access to White House (actually turned him down many times) for author of phony book! I never spoke to him for book. Full of lies, misrepresentations and sources that don’t exist. Look at this guy’s past and watch what happens to him and Sloppy Steve! — Donald J. Trump (@realDonaldTrump) January 5, 2018

Trump and the White House have been hammering Bannon and Wolff this week after excerpts of the book painted a chaotic picture of the president and those around him.

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On Wednesday, Trump ripped into Bannon, purported to be one of the primary sources for the book, saying the former aide had "lost his mind" and claiming he had "no influence" in the White House.

Meanwhile, White House press secretary Sarah Huckabee Sanders on Thursday called Wolff's book "complete fantasy and full of tabloid gossip." Another White House spokesman called Wolff "a crackpot, fake news fantasy fiction writer" during an appearance on CNN.

Sanders told reporters earlier this week that Trump and Wolff's only direct interaction was a five- to seven-minute phone call after Trump became president.

Wolff said that he conducted more than 200 interviews for his book and had wide access to those around Trump.

His publisher said that they plan to go ahead with the book despite a cease-and-desist letter from Trump's lawyers. The book is set to be released Friday, four days earlier than originally planned.