The ISBN of Return to Chaos is 0-671-02136-2.
The ISBN of Plan for Chaos is 978-1846311796.
The ISBN of The Collapse of Chaos is 978-0670849833.
The ISBN of Sword of Chaos is 0-87997-722-1.
The ISBN of Sign of Chaos is 0-87795-926-9.
The ISBN of The Courts of Chaos is 0-385-13685-4.
The ISBN of Operation Chaos - novel - is 0-385-00588-1.
The ISBN of Total chaos - novel - is 1-933372-04-4.
The ISBN of The Lords of Discipline is 0-395-29462-2.
The ISBN of Return of the Brute is 9780863276286.
The ISBN of Exile's Return is 0380803275.
The ISBN of The Return - novel - is 0333989856.
The ISBN of Warrior's Return is 978-0061478673.