'Anyone but Him' by Theresa Linden. Silver Fire Publishing (Elyria, Ohio, 2018). 295 pp., $13.95. The novel 'Anyone but Him' is labeled on its cover 'a new adult mystery romance'. While it is admittedly new, its plot devices are as old as fiction itself. The story concerns a young woman, Caitlyn Summer, who awakes one morning not knowing who she is or where she is or who is the man sharing her bed. We learn he is Jarrett and he is Caitlyn's husband, but, most of the time, in Caitlyn's view, he