Which book in the Hitchhiker's Guide to the Galaxy series was released in 1980?
The Restaurant at the End of the Universe
The Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy
Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy
Hitchhiker's Guide to the Galaxy
The Voyage of the Dawn Treader
The Voyage of the Space Beagle
The Hitchhiker's Guide to the Galaxy
Hitchhiker's Guide to the Galaxy
The Hitchhikers Guide to the Galaxy
The Dark Side of the Sun
The Voyage of the Dawn Treader
The Hitchhiker's Guide to the Galaxy
Hitchhiker's Guide to the Galaxy
The Voyage of the Space Beagle
The Hitchhikers Guide to the Galaxy
The Dark Side of the Sun
The Hitchhiker's Guide to Earth
The Ultimate Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy
Hitchhiker's Guide to the Galaxy
The Meaning of Liff
The Dark Side of the Moon
The Voyage of the Dawn Treader
The Voyage of the Starship Titanic
The Hitchhikers Guide to the Galaxy
The Voyage of the Space Beagle 2
The Voyage of the Star Beagle
The Hitchhiker's Guide to Earth
The Dark Side of the Sun
The Hitchhiker's Guide to the Galaxy
The Ultimate Guide to the Galaxy
The Voyage of the Space Beagle
The Ultimate Guide to Everything
Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to Mars
The Dark Side of the Moon
The Hitchhikers Guide to the Galaxy
The Meaning of Liff
The Hitchhiker's Guide to Earth
The End of Time
The Ultimate Guide to Everything
Starship Troopers
The Hitchhiker's Guide to the Galaxy
The Ultimate Guide to the Galaxy
The Voyage of the Star Wolf
The Dark Side of the Sun
The Voyage of the Starship Titanic
The Starship Titanic
The Voyage of the Space Beagle 2
The Voyage of the Dawn Treader
Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to Mars
The Voyage of the Star Beagle
The Last Giant Leap
The Dark Side of the Moon
The Voyage of the Space Beagles
The Hitchhikers Guide to the Galaxy
The Starship Troopers
The Voyage of the Spaceship Earth
The Ultimate Guide to Everything
Hitchhikers Guide to the Galaxy
The End of Time
The Voyage of the Space Beagle
The Starship Titanic
The End of the World
The Ultimate Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy
The Dark Side of the Sun
Starship Troopers
Life, the Universe and Everything
The Voyage of the Sable Star
Voyage of the Damned
The Voyage of the Star Wolf
Hitchhiker's Guide to the Galaxy
The Wheels of If
The Ultimate Guide to the Universe
The Last Giant Strike
The Meaning of Liff
The Starship Troopers
The Last Giant Leap
The Dark Side of the Moon
The Hitchhikers Guide to the Galaxy
The Ultimate Guide to Everything
The End of Time
The Hitchhiker's Guide to Earth
The Starship Titanic
The Voyage of the Space Beagle 2
The Hitchhiker's Guide to Mars
The End of the World
The Hitchhiker's Guide to the Galaxy
Life, the Universe and Everything
The Voyage of the Dawn Treader
The Way of the Warrior
The Ultimate Guide to the Galaxy
The Voyage of the Starship Titanic
Hitchhiker's Guide to the Galaxy
The Voyage of the Space Beagles
The Voyage of the Damned
Beyond Lies the Wub
Last Post and Pigeon Post
The Voyage of the Star Beagle
The Dark Side of the Sun
The Ultimate Guide to the Universe
Dead Man's Chest
Starship Troopers
Andromeda Spaceways Invasion!
Andromeda Spaceways Invasion
The Ultimate Guide to Everything
The Last Giant Strike
The Dark Crystal
The Godfather Part III
The Hitchhikers Guide to the Galaxy
The End of All Things
The Wheels of If
The Dark Side of the Moon
The End of Time
The Last Giant Leap
The Starship Titanic
The Voyage of the Spaceship Titanic
The Last Hero
The Voyage of the Star Wolf
The Starship Trooper
The Voyage of the Space Beagle
Hitchhikers Guide to the Galaxy
The Meaning of Liff
The Silver Chair
The Ultimate Guide to the Galaxy
The Godfather's Revenge
The Starship Troopers
Starship Trooper
Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide
The Dark Crystal
Planet of the Apes
The Dark Side of the Sun
The Ultimate Guide to the Universe
Dead Man's Ransom
The Ultimate Guide
Life, the Universe and Everything
The Ultimate Guide to Everything
Last Post and Pigeon Post
The Hitchhiker's Guide to Earth
The Starship Titanic: A Space Oddity
The Long Goodbye
The Hitchhikers Guide to the Galaxy
The End of Time
The Voyage of the Sable Star
The Voyage of the Spaceship Earth
Life, the Universe and Other Things
The Voyage of the Space Beagle 2
Andromeda: A Space Oddity
The Long Goodbye and Other Stories
The Last Hero
The Last Giant Strike
The End of the World, Part 2
Starship Troopers
The Doomsday Scenario
The Dark Side of the Moon
The Starship Titanic: The Last Voyage
Andromeda Spaceways Inferno
Andromeda XXXVII
The Godfather Part III
The Voyage of the Starship Titanic
Dead Man's Folly
The End of the World, Part III
The End of the World, Part II
Last Post and Pigeon-Faced
The Dark Crystal
The Godfathers of the Galaxy
The Ultimate Guide
The Way of the Warrior
Hitchhiker's Guide to the Galaxy
The Silver Chair
The Ultimate Guide to the Galaxy
The Voyage of the Space Beagles
The Long Goodbye and Other Pieces
The Voyage of the Star Beagle
The Hitchhiker's Guide to the Galaxy
Last Post and Pigeon-Face
Last Post and Pigeons
The Ultimate Guide to Everything
Voyage of the Damned and Beyond
The Starship Titanic
Voyager's Guide to the Galaxy
The Godfather Part II
The Dark Side of the Sun
Last Post and Pigeons in the Sky
The End of Time
Starship Trooper
The Hitchhiker's Guide to Earth
Andromeda XXXII
Last Post and Pigeon Post
The Last Hero
Andromeda XXVII
The Doomsday Machine
The Dreadful Invasion of Privacy
The Voyage of the Star Wolf