KEY POINTS
  • CNBC obtained a copy of the forthcoming tell-all family memoir about President Donald Trump written by his niece, "Too Much and Never Enough: How My Family Created the World's Most Dangerous Man."
  • Mary Trump, a clinical psychologist, writes that her uncle is a textbook narcissist, and that his late father, the real estate developer Fred Trump Sr., was a sociopath.
  • The coronavirus pandemic, writes Mary Trump, has revealed President Trump to be a "petty, pathetic little man — ignorant, incapable, out of his depth, and lost to his own delusional spin."
Donald Trump and his father, Fred Trump, at the opening of Wollman Rink in Manhattan's Central Park in 1987.

WASHINGTON — President Donald Trump is a textbook narcissist and his late father, the real estate developer Fred Trump Sr., was a sociopath, writes the president's niece, Mary Trump, a clinical psychologist and the author of the forthcoming "Too Much and Never Enough: How My Family Created the World's Most Dangerous Man."

The highly anticipated family tell-all is due to be released next Tuesday. CNBC has obtained an advance copy of the manuscript.