Donald Trump’s niece, the clinical psychologist and bestselling author Mary Trump, sees “similarities” between the 79-year-old president’s increasingly erratic behavior, which has stoked questions ...

Simon & Schuster announced Thursday that Mary Trump's "Too Much and Never Enough" had sold a company record 950,000 copies in combined print, digital and audio editions.

Mary Trump makes several revelations in the book, including alleging that the president paid a friend to take the SATs in his place.

Mary Trump is the daughter of Trump's eldest brother Fred Trump Jr., who died in 1981. Trump's other brother Robert, filed injunctions to stop the publication of the book.

The president's estranged niece condemned FBI director Kash Patel on Friday, raising concern over the new state of the federal agency.