The ISBN of Citizen in Space is 978-0-441-10595-3.
The ISBN of Citizen Cyborg is 0813341981.
The ISBN of The Concerns of a Citizen is 0-399-10168-3.
The ISBN of Space Demons is 9781862912878.
The ISBN of Revelation Space is 1857987489.
The ISBN of A Mango-Shaped Space is 0316523887.
The ISBN of The Space Vampires is 0-394-40093-3.
The ISBN of The New Space Opera is 978-0060846756.
The ISBN of The Skylark of Space is 0-515-02969-6.
The ISBN of Space Apprentice is 0-02-615220-7.
The ISBN of Space Viking is 0-441-77784-8.
The ISBN of Mystery in Space is 1-4012-1558-0.
The ISBN of The Inner Reaches of Outer Space is 1577312090.