The genre is hot – the unreliable protagonist psychological thriller. Think “Gone Girl,” “The Girl on the Train,” “The Woman in the Window.” And now on the best-seller list, “An Anonymous Girl.” Typically, this genre follows a smart and sensitive young woman who soon finds herself in danger, a sympathetic but troubled soul who unwittingly endangers others as she tries to sort out what’s real and what’s the product of her admitted neurotic fantasies. The reader is drawn into the complications,