New York (CNN Business) The publication of John Bolton's book about his time working for President Trump, "The Room Where It Happened," has been pushed back from March until May due to the Trump White House's review of the manuscript.

The delay revives questions about whether the government is unfairly holding up Bolton's book for partisan political reasons.

"I hope it's not suppressed," Bolton said at a public speaking engagement on February 17.

Bolton struck a deal to write the book shortly after stepping aside as Trump's national security adviser in September, after 17 months in that post. Simon & Schuster reportedly paid about $2 million for the rights to the book.

On January 26, Simon & Schuster announced the book's title -- which alludes to the Oval Office -- and a March 17 release date.

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