Charlie Sheen's new memoir The Book of Sheen is out today, Sept. 9, and while it certainly covers plenty of sordid tales of addiction and sex throughout his well-documented struggles, it also covers the first half of his life, including his unique childhood, his rise to fame in Hollywood and fun stories about all the celebrities he's worked with along the way. Below, a few of the fun facts Sheen reveals in the delightfully juicy tome.

The Sheen Family Always Traveled Together

Charlie Sheen (born Carlos Irwin Estevez) was Martin and Janet Sheen’s third child — his two older brothers are Emilion and Ramon, and sister Renée came after him. When they were young, they traveled as a pack to Martin’s sets so the family wouldn’t have to be split up.

When he was nine, he spent months in the

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