The ISBN of Crisis Four is 9780552152365.
The ISBN of Final Crisis is 140122282X.
The ISBN of The Colossus Crisis is 0007112831.
The ISBN of Crisis of Conscience is 0914675230.
The ISBN of The Origins of the Urban Crisis is 0691121869.
The ISBN of Infinite Crisis is 1-4012-0959-9.
The ISBN of Bahama Crisis is 0-00-616304-1.
The ISBN of Countdown to Final Crisis is 1-4012-1789-3.
The ISBN of Crisis on Infinite Earths is 1-5638-9434-3.
The ISBN of The Four Loves is 0156329301.
The ISBN of Fantastic Four is 0-7851-1828-4.
The ISBN of I Am Number Four is 0-061-96955-9.
The ISBN of Nineteen Eighty-Four is 978-0452284234.