J. D. Robb 
Ceremony In Death [EPUB ebook] 

Meet me tomorrow, midnight. Aquarian Club. TELL NO ONE.’When New York cop Frank Wojinski is found murdered, death gets very personal for homicide detective, Eve Dallas – and she’ll stop at nothing to find Frank’s killer.But then another victim is claimed: Frank’s own granddaughter. As Eve delves deeper into the case, more mutilated corpses are discovered. Then a dead body is placed outside Eve’s home. Drawn into the sinister world of a sexual satanic cult, Eve must put her life on the line to uncover a sadistic killer, before she becomes his latest victim.