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 Part II
The Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy Part 2
The Hitchhiker's Guide to Everything
The Hitchhiker's Guide to the Galaxy Part 1
The Hitchhiker's Guide to the Galaxy Vol. 2
The Hitchhiker's Guide to the Galaxy and Other Stories
The Hitchhiker's Guide to the Galaxy Part II
The Hitchhiker's Guide to the Galaxy Part III
The Hitchhiker's Guide to the Galaxy Part I
Hitchhiker's Guide to the Galaxy Part II
The Hitchhiker's Guide to the Galaxy
The Magician's Nephew
The Hitchhiker's Guide to the Galaxy, Part II
Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy Vol. 1
The Hitchhiker's Guide to the Galaxy Part 2
The Hitchhiker's Guide to the Galaxy, Part 2
The Hitchhiker's Guide to Everything
The Hitchhiker's Guide to the Galaxy, Volume One
The Hitchhiker's Guide to the Galaxy, Volume 1
The Hitchhiker's Guide to the Galaxy, Part 1
The Hitchhiker's Guide to the Galaxy, Volume 2
The Hitchhiker's Guide to the Galaxy, Volume Two
The Hitchhiker's Guide to the Galaxy Part 1
The Travels of Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy and Other Stories
The Hitchhiker's Guide to the Galaxy Part II
The Hitchhiker's Guide to the Galaxy Part III
The Hitchhiker's Guide to the Galaxy Vol. 2
The Hitchhiker's Guide to the Galaxy Part I
The Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy, Part II
The Magician's Nephew
The Hitchhiker's Guide to the Galaxy Part 2
The Hitchhiker's Guide to the Galaxy Vol. 1
The Hitchhiker's Guide to Everything
The Hitchhiker's Guide to the Galaxy, Part 2
The Hitchhiker's Guide to the Galaxy, Volume One
The Hitchhiker's Guide to the Galaxy, Volume 1
The Hitchhiker's Guide to the Galaxy, Part 1
The Hitchhiker's Guide to the Galaxy, Volume Two
Hitchhiker's Guide to the Galaxy
The Incredible Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy Part 1
The Hitchhiker's Guide to New York
The Hitchhiker's Guide to the Galaxy, Part I
The Hitchhiker's Guide to Planet Earth
The Hitchhiker's Guide to the Galaxy and Other Stories
The Hitchhiker's Guide to the Galaxy Part II
The Hitchhiker's Guide to the Galaxy Part III
The Hitchhiker's Guide to the Galaxy Vol. 2
The Hitchhiker's Guide to the Galaxy, Part II
The Hitchhiker's Guide to the Galaxy
The Travels of Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy Part 2
The Hitchhiker's Guide to the Galaxy, Volume One
The Hitchhiker's Guide to Everything
The Hitchhiker's Guide to the Galaxy, Part 2
The Magician's Nephew
The Hitchhiker's Guide to the Galaxy Vol. 1
The Hitchhiker's Guide to the Galaxy, Volume 1
The Hitchhiker's Guide to the Galaxy, Volume Two
The Hitchhiker's Guide to the Galaxy Part 1
The Hitchhiker's Guide to New York
The Hitchhiker's Guide to the Galaxy, Part I
The Hitchhiker's Guide to the Galaxy Part II
Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy and Other Stories
The Hitchhiker's Guide to the Galaxy Part I
The Hitchhiker's Guide to the Galaxy Vol. 2
The Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy, Part II
The Hitchhiker's Guide
The Hitchhiker's Guide to the Galaxy Part 2
Journey to the Center of the Earth
The Incredible Hitchhiker's Guide to the Galaxy.
The Hitchhiker's Guide to the Galaxy, Volume One
The Hitchhiker's Guide to Everything
The Hitchhiker's Guide to the Galaxy, Part 2
The Hitchhiker's Guide to the Galaxy Vol. 1
The Hitchhiker's Guide to the Galaxy, Volume Two
The Hitchhiker's Guide to the Galaxy, Volume 1
The Hitchhiker's Guide to the Galaxy Part 1
The Incredible Hitchhiker's Guide to the Galaxy Part II
The Hitchhiker's Guide to Raccoon City
The Hitchhiker's Guide to the Galaxy, Part I
The Hitchhiker's Guide to the Galaxy and Other Stories
The Hitchhiker's Guide to New York
The Hitchhiker's Guide to the Galaxy Part II
The Hitchhiker's Guide to the Galaxy, Part II
The Magician's Nephew
The Infinite Quatermass Accords
The Hitchhiker's Guide to the Galaxy Vol. 2
Gone with the Wind
The Hitchhiker's Guide to the Galaxy
How to Be a Hitchhiker
The Hitchhiker's Guide
Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy Part 2
How to Be a Hitchhiker's Guide to Everything
The Hitchhiker's Guide to the Galaxy, Volume One
The Travels of Huckleberry Finn
The Incredible Hitchhiker's Guide to the Galaxy Part III
The Incredible Hitchhiker's Guide to the Galaxy Part 2
Journey to the Centre of the Earth
The Stardust Memoirs
Ender's Game
The Travels of H. G. Wells
The Travels of Hitchhiker's Tombstone
The Travels of Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide to Everything
The Hitchhiker's Guide to the Galaxy, Part 2
The Hitchhiker's Guide to the Galaxy Vol. 1
Out of the Ashes
The Travels of H.G. Wells
The Complete and Uncut Edition of Atlas Shrugged
The Hitchhiker's Guide to the Galaxy, Volume Two
The Incredible Hitchhiker's Guide to Everything
On Stranger Tides
Journey to the Center of the Earth
The Incredible Hitchhiker’s Guide to the Galaxy
The Hitchhiker's Guide to Planet Earth
Andromeda: A Traveller's Guide to the Galaxy
The Infinite Quest for Atlantis
The Hitchhiker's Guide to the Galaxy Part 1
The Complete and Uncut Edition of The Guide to the Galaxy
Journey to the Center of the Galaxy
The Hitchhiker's Guide to New York
The Hitchhiker's Guide to the Galaxy and Other Stories
The End of the World
Out of the Silent Planet
Andromeda: A Traveler's Guide to the Galaxy
The Hitchhiker's Guide to the Galaxy Part II
The Incredible Hitchhiker's Guide To The Galaxy
The Hitchhiker's Guide to the Galaxy, Part II
The Complete and Uncut Edition of The Outer Rim
The Hitchhiker's Guide to the Galaxy Vol. 2
The Hitchhiker's Guide to the Galaxy
The Hitchhiker's Guide
The Hitchhiker's Guide to the Galaxy Part 2
On Stranger Tides
The Stardust Memoirs
Andromeda: A Traveller's Companion
The Hitchhiker's Guide to the Galaxy, Volume One
Hitchhiker's Guide to the Galaxy
The Outer Rim of the Galaxy
The Infinite Quatermass Accords
The End of the World
The Infinite Quake
How to Be a Hitchhiker
The Travels of Huckleberry Finn
The Infinite Quest for the Stars
The Hitchhiker's Guide to Everything
The Magician's Nephew
The Travels of Hitchhiker's Nomad
Out of the Silent Planet
The Infinite Quatermass Experiment
Andromeda: The Hitchhiker's Guide
Out of the Ashes
Gone with the Wind
How to Survive in a Small Town
The Hitchhiker's Guide to the Galaxy Part II
The Infinite Quest
Journey to the Centre of the Earth
The Complete and Uncut Edition of Atlas Shrugged
The Travels of Hitchhiker's Guide
The Infinite Quatermass Accord
The Travels of Hitchhiker
The Travels of Hitchhiker's Tombstone
The Infinite Quest for Atlantis
Journey to the Center of the Earth's Core
How to Be a Hitchhiker's Guide to Everything
The Hitchhiker's Guide to New York
The Infinite Jest
Journey to the Centre of the Earth's Core
The Traveler's Guide to the Galaxy Part II
How to Survive in a Changing World
The Hitchhiker's Guide to the Galaxy
Andromeda: A Traveller's Guide to the Galaxy
On Stranger Tides
How to Survive in a World Like This
The Hitchhiker's Guide to the Galaxy Part 2
The Last Olympian
Journey to the Center of the Earth
The Infinite Quatermass Discworld
Journey to the Center of the Galaxy
The End of the Universe
On Stranger Tides, The Last Days of Pompeii
Andromeda: A Traveler's Guide to the Galaxy
The Hitchhiker's Guide
The Infinite Quest for Krypton
Out of the Silent Planet
The Travels of H.P. Lovecraft
The Hitchhiker's Guide to Everything
The Travels of Hitchhiker's
Hitchhiker's Guide to the Galaxy
The End of the World
The Complete and Uncut Edition of The Outer Rim
The Outer Rim of the Galaxy