You Never Know: A Memoir

You Never Know is a candid and heartfelt memoir by beloved actor Tom Selleck, tracing his unlikely journey from a California college athlete to Hollywood stardom and the iconic role of Magnum P.I.

Told in his own humble and humorous voice, Selleck reflects on his accidental rise to fame, the challenges and choices that shaped his career, and the values that grounded him along the way. He shares untold stories from his childhood, his early struggles in Hollywood, and the relationships that influenced him — including friendships with stars like Frank Sinatra, Carol Burnett, Sam Elliott, and mentor James Garner.

Selleck also reveals how he redefined the TV hero through Magnum P.I., fought to make the character more human, and ultimately chose family and integrity over fame.

Both funny and deeply personal, You Never Know offers an inside look at a changing Hollywood and the enduring strength of authenticity, humility, and staying true to oneself.