A US publishing house announced today, Friday, that former National Security Adviser John Bolton decided to challenge the White House and publish a memoir that reveals what it considers to be transgressions committed by President Donald Trump, that go beyond the Ukraine issue and may also be held accountable.

Trump had previously warned Bolton against publishing his memoirs as long as he was president of the White House, and his attorneys attempted to dissuade Bolton from this by claiming that large portions of the book's material were classified as highly classified.

But publisher Simon & Schuster said he will go ahead with the publication of the memos titled "The Room Wear It Happend" (the room where it happened) on June 23, sparking readers' enthusiasm by saying in a press release that "This is the book that does not Donald Trump wants you to read it. "

"I feel under pressure to determine any important decision that Trump made during my tenure of office and was not driven by his re-election accounts," the statement quoted Bolton saying.

The publisher noted that Bolton would document Trump's wrongdoing beyond the pressure the latter had put on Ukraine to investigate his Democratic rival Joe Biden and led to his accusation and trial in Congress.

He added that Bolton "says that the House of Representatives made mistakes in practice during the trial by narrowing the accusation narrowly to Ukraine, while Trump's excesses similar to what he had done with Ukraine existed on the full scope of his foreign policy."

In his notes, Bolton will describe Trump's "contradictory and dispersed" decision-making process, he said.

Bolton, a veteran and hard-line Republican policymaker, left office on September 10 after a dispute of views with Trump, especially over North Korea.

But his decision to continue publishing his book will re-ask questions about why he did not testify during Trump's trial if he believed the president had committed abuses, and his preference was instead to publish and sell the book.

Chuck Schumer, leader of the Democratic minority in the Senate where Trump was acquitted, said Bolton's testimony could have helped persuade the undecided Republicans to remove the president.

Bolton - who has taken a tough line against Russia - has blocked the White House's freeze of $ 400 million in military aid to Ukraine while its forces were fighting Moscow-backed separatists.

Trump pressed Ukrainian President Volodymyr Zielinski - in a phone call - to urge him to open an investigation against Joe Biden's son, who works for a gas company in the country.

Trump described his accusation in the House of Representatives as a conspiracy against him, saying that the pressure he exerted on Ukraine was in the interest of the United States.