DAW, New York, 1979, 1st pr.  ISBN 0-87997-500-8.  DAW’s SF Books No. 363.  MMPB, 156 pages.  Wraps show edge and cover wear, creases and reading creases, some colour chipping; age toning on rear wrap and colour transfer; 21 inked on spine; binding tight, slight bow to book.  Book store stamp on verso of front wrap; remainder of interior clean and unmarked with tanning pages; black & white frontis.  ‘It was touch and go for Earl Dumarest when the slavers of the Matriarchy of Onorldi struck his work camp.  Had he not captured the Matriarch herself during the fight, it might have spelled his doom when the slavers triumphed.  Because even though the odds had turned heavily against him, he was able to strike a bargain.  The Matriarch’s child daughter, Iduna, had disappeared into the mind-trap of the Tau.  If he could follow, find her, and return with her, he would have his freedom and a chance to locate the lost Earth he sought.  So it was into Iduna’s private universe he went - the creation of the Tau under the whims and fancies of a restless and spoiled planetary princess.  To escape, Dumarest had to out wit her monster playthings, outfight her hideous horrors, and outdream her satanic fantasies…. (from rear wrap)