An “unauthorized, unvarnished” biography of billionaire hedge-fund manager Ray Dalio will be published next fall.

FILE - In this March 23, 2019 file photo, Bridgewater Associates Chairman Ray Dalio speaks during the Economic Summit held for the China Development Forum in Beijing, China. A family spokesperson says the 42-year-old son of hedge fund founder Ray Dalio died in a car crash this week. The family spokesperson on Friday, Dec. 18, 2020 confirmed Devon Dalio's death in a Thursday afternoon crash to Hearst Connecticut Media. (AP Photo/Ng Han Guan, File)GREENWICH, Conn. – Devon Dalio, the 42-year-old son of hedge fund founder Ray Dalio, died in a car crash this week, a family spokesperson said Friday. The family spokesperson confirmed the death in a Thursday afternoon crash to Hearst Connecticut Media.