Books in the The Roommate series

Keep calm and always watch your back… Desperate to make ends meet after her husband vanishes, single-mom Lizzy rents out the spare room in her spacious house to a quiet college student, Brenda. That's when strange things begin to happen. Items start to go missing and people begin to disappear in the close-knit upscale neighborhood. Is Brenda behind all of this? Could Lizzy prove it?Lizzy soon realizes her new tenant isn't who she appears to be…