"The Proud Highway:Saga of a Desperate Southern Gentleman: 1955-1967" is volume one in "The Fear and Loathing Letters". "Fear and Loathing in America: The Brutal Odyssey of an Outlaw Journalist: 1968-1976" is volume two and was published in 2000. There are rumors that volume three is in the works.
"The Great Shark Hunt" is volume one in "The Gonzo Papers". The other volumes that followed are "Generation of Swine" and "Songs of the Doomed".