Operation Chaos - Anderson, Poul

In a war waged against Black Magic, the fact that Steve is a werewolf and his wife is a highly-skilled witch is not unusual. But their adventures prove very unusual, even for their world, when they are given the task of neutralizing an enemy's ultimate weapon--the world's most powerful demon.

Operation Chaos 1999, Orb Books, New York, NY

ISBN-13: 9780312872427

Orb edition

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Operation Chaos 1995, Severn House Publishers

ISBN-13: 9780727847638

Hardcover

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Operation Chaos 1992, Baen Books

ISBN-13: 9780671721022

Mass-market paperback

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Operation Chaos 1978, Berkley Books

ISBN-13: 9780425037508

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