Martin Sheen and Son Plan Father's Day Memoir

NEW YORK (CBS/AP) Marin Sheen and his son are working on a book.

No, not that son.

Emuilio Estevez, eldest son of Martin Sheen and big brother of sitcom star and tabloid favorite Charlie Sheen, is working with his dad on a joint memoir titled "Along the Way"'

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Free Press, an imprint of Simon & Schuster, announced Tuesday that the book would come out on Father's Day in 2012. The publishser says the memoir will explore "the inner and outer stages of the journey of a father and son," including the upcoming movie "Along the Way," in which the 48-year-old Estevez directs his father.

It's not the first time he's been in the director's chair - he wrote, directed and acted in 2006's "Bobby." Esteves frequently casts his father and younger brother in roles. Estevez's ascting roles include "The Beakfast Club" and "St. Elmo's Fire."

The 70-year-old Sheen, who has numerous Emmy and Golden Globe trophies, is best known as President Josiah Bartlett on TV's "The West Wing."

CBS and Simon & Schuster have the same parent company.