Former CIA Director John Brennan John Owen BrennanJournalism or partisanship? The media's mistakes of 2016 continue in 2020 Comey on Clinton tweet: 'I regret only being involved in the 2016 election' Ex-CIA Director Brennan questioned for 8 hours in Durham review of Russia probe MORE is writing a memoir slated for release in 2020 that will detail his 30 years as an intelligence official under Republican and Democratic presidents, The Associated Press reported on Wednesday.

A division of Macmillan Publishers, Celadon Books, told the AP that it has acquired Brennan's untitled book, which includes sections about his time as CIA director between 2013 and 2017. The publisher did not disclose the financial terms for Brennan’s memoir.

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"For many years, John Brennan has been a witness to, and participant in, key moments in recent American history, including such pivotal events as the first Gulf war, the 9/11 terrorist attacks, the Arab Spring, the hunt for Bin Laden, and Russia’s aggressive efforts to undermine U.S. national security,” Celadon president and publisher Jamie Raab said in a statement to the AP.

Raab added that the memoir will provide "candid accounts" of these moments, as well as the lessons Brennan learned at the time.

President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE in August revoked Brennan's security clearance after Brennan spoke out sharply and critically against Trump. Brennan has called Trump a "charlatan" and said he would become "a disgraced demagogue in the dustbin of history," among many other insults.

The former CIA director earlier this week said Trump's attacks against special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE emerge from “feelings of inferiority, insecurity, vulnerability and culpability."