The ISBN of How to Live Safely in a Science Fictional Universe is 0-307-37920-5.
The ISBN of "How to Live Safely in a Science Fictional Universe" by Charles Yu is 9780307739452.
The ISBN of A Fictional Guide to Scotland is 978-0954556006.
The ISBN of The Catalogue of the Universe is 0007123388.
The ISBN of The Ambidextrous Universe is 0486442446.
The ISBN of Email to the Universe is 1561841943.
The ISBN of Six Walks in the Fictional Woods is 0674810503.
The ISBN of Programming the Universe is 978-1400040926.
The ISBN of Masters of the Universe - comics - is 0974800813.
The ISBN of The Elegant Universe is 0-393-05858-1.
The ISBN of The Five Ages of the Universe is 978-0684865768.
The ISBN of Mastering the Universe is 1-578-60223-8.
The ISBN of The Quantum Universe is 978-1-84614-432-5.
The ISBN of George's Secret Key to the Universe is 9781416954620.