The practice of magic is strictly controlled in the Empire, and rogue mages are ruthlessly hunted down by the witch hunters. An Imperial wizard is blackmailed into infiltrating a vile Chaos cult - if doesn't, he will be denounced as a heretic. Can he complete his assignment without being corrupted, and can he trust his tormentor to honour his part of the bargain?
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Used availability for Richard Lee Byers's The Enemy Within
June 2007 : UK Mass Market Paperback