The defiant publisher of an unflattering new tell-all book about President Trump thumbed its nose at the White House Thursday and said it would release the book on Friday instead of waiting until next week.

“Due to unprecedented demand, we are moving the on-sale date for all formats of ‘Fire and Fury,’ by Michael Wolff, to Friday, January 5,” a Henry Holt spokeswoman told CNN Thursday.

Wolff took to Twitter to thank Trump for the free publicity.

“Here we go. You can buy it (and read it) tomorrow. Thank you, Mr. President,” he wrote.

The book, which portrays the president as an uninformed bungler unfit for the Oval Office, was scheduled to be released next Tuesday.

But Trump and his aides have been trashing the book, creating a media buzz — and the president’s lawyers tried to block its release with a cease-and-desist order and threat of legal action.