Award-winning actor Matthew McConaughey is releasing his first book, but he says it's far from a typical celebrity autobiography.

“This is not a traditional memoir, or an advice book, but rather a playbook based on adventures in my life,” McConaughey, 50, said in a statement.

The book, titled "Greenlights," is set to be released on Oct. 20.

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He said, “Adventures that have been significant, enlightening, and funny, sometimes because they were meant to be but mostly because they didn’t try to be.”

Matthew McConaughey is releasing his first memoir on Oct. 20.

Matthew McConaughey is releasing his first memoir on Oct. 20. (Philip Montgomery/Town & Country)

According to Crown, which announced the book Wednesday, the actor known for films “Dallas Buyers Club” and “Magic Mike” will draw upon a diary he has kept for 35 years.

“He found not only stories, questions, truths, and affirmations, but also a reliable theme,” Crown announced.

The publisher's statement continues: "From growing up as an adventurous kid in a tough-love Texas home of rule breakers, to revelatory journeys to Australia, Peru, and Mali, to his early days in Hollywood and meteoric rise to fame, McConaughey shares how his life experiences have instilled in him the importance of competent values, the power of new experiences, and, as he puts it, ‘either changing your reality or changing how you see it.’”

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The Associated Press contributed to this report.