• Bob Graham, a former two-term Florida governor and an 18-year U.S. senator, will sign copies of his book, “Keys to the Kingdom,” from noon-1:45 p.m. Thursday at the Main Library. Book sales begin at 11 a.m. Proceeds will benefit the Jacksonville Public Library. The book, at $25.99 and published June 7 by Vanguard Press, is a political thriller that explores an international conspiracy linking the Saudi Kingdom to the 9/11 terrorist attacks. Graham, a Democrat, served as governor from 1979-86 and as senator from 1987-2005. He led the Senate Select Committee on Intelligence, serving as a member of the CIA External Advisory Board, and as chair of the Commission on the Prevention of Weapons of Mass Destruction Proliferation and Terrorism.