A new book about Donald Trump, written by his niece, sold almost a million copies on the first day of its sale in the U.S., the publisher said on Thursday.
Mary Trump's "Too Much and Never Enough: How My Family Made the Most Dangerous Man in the World" is billed as the first flattering account of the US President by a family insider.
Mary, a psychologist whose father was Trump's eldest brother Fred, accuses the president of hubris and ignorance and says he meets the clinical criteria to be a narcissist.
The 950,000 copies sold on Tuesday, including pre-orders as well as audio and digital versions, are "a company record" for Simon & Schuster, according to a statement.
The White House dismissed the memoir as a "book of falsehoods".
The president's younger brother, Robert Trump, went to court to try to block the publication, arguing that Mary violated a confidentiality agreement signed in 2001 after her grandfather's estate was settled, but to no avail.
Simon & Schuster has ordered additional printed copies, which will increase the number to 1.15 million for the American market alone. The book also tops Amazon's sales charts in Canada and Australia.
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