Dell, New York, September 1979, 1st pr.  ISBN 0-440-14230-X.  MMPB, 271 pages.  Wraps have some edge and cover wear, age toning and a bit of soil, corner bends, reading creases on spine; some waviness to wraps near front and rear spine; binding sound with a slight lean.  Interior clean and unmarked with browned pages (not brittle).  ‘Who is she?  A deranged mental patient released too soon?  A woman whose passion for revenge can only be answered in butchery and blood?  Her letter proclaimed a reign of terror to equal Jack the Ripper’s bloody spree.  Men would die, but Kelly would be saved – for last.  Kelly Cohen, a brilliant young psychiatrist, successful in his work, happy in his family.  Who could want him dead?  But as Kelly is swept up in the desperate race to stop the slaughter, as he is drawn ever deeper into terrifying new realms of madness and death, he will hunt and be hunted….’ (from rear wrap)