Former national security adviser John Bolton John BoltonJudge appears skeptical of Bolton's defense of publishing book without White House approval Maximum pressure is keeping US troops in Iraq and Syria Woodward book trails Bolton, Mary Trump in first-week sales MORE is reportedly planning to write a memoir about his time in the Trump administration, coming months after he was fired by the president.

Matt Latimer and Keith Urbahn of Javelin, a Virginia-based literary agency, are representing Bolton, Axios reports. The pair has previously represented former FBI Director James Comes and former Trump staffer Cliff Sims in their book deals.

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Senior Trump administration officials are worried about what Bolton, who was ousted last month, might say about his time serving under President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE, Axios reports.

Trump announced he fired Bolton just days after he canceled a planned meeting with the Taliban at Camp David, saying Bolton’s services were “no longer needed at the White House.” Trump also cited disagreements with many of Bolton’s suggestions and said “others in the administration” disagreed with his ideas.

The Daily Beast reported soon after Bolton’s departure that the former Trump official was interested in writing about his time under the president and that he was in talks with literary agents.

Bolton previously wrote a book about his time in the George W. Bush administration.

He also served in the Reagan administration and under former President George H.W. Bush.