Lynne Vincent McCarthy’s debut novel Lonely Girl is a thriller with a bit of a gender swap. Gone is the femjep woman kept in a basement. Instead, McCarthy turns the tables on this tired trope and in this psychological thriller puts the woman in charge. But like many books and plays of this type, the interest is not in the kidnapping itself but in the mind games that are played between the captive and captor.  But before she gets to that, with the exception of some short tantalising POV sections about a dangerous affair, McCarthy spends some time setting up Ana, her protagonist. And this groundwork is really important to give some credence to how the plot later plays out. Ana lives on her own in a small house in a secluded valley some distance from the Tasmanian capital of Hobart. Her only companion is River, a dog she has had since she was twelve. But she is now twenty-seven and River is dying and she has decided that when he dies she too will take her own life as no one will miss her.  One night she witnesses a couple having sex in a van outside a local bar. For readers, this gels with the hints of…