The authors of "Air Force One: the Final Mission" will sign copies of their book from noon to 2 p.m. Sat., Dec. 9 near the Museum Store inside the Air Force One Pavilion at the Ronald Reagan Presidential Library, 40 Presidential Drive, Simi Valley.

Joel Cohen and Michael Cohen spent four years documenting the aircraft's final mission from decommissioning by the U.S. Air

Force, moving the plane to the library and the opening of the Air Force One Pavilion.

The event is free. Regular admission fees apply to guests who visit the exhibits.