The Devil You Know Series by Julie Mangan

After her twin sister is murdered in a dressing room standoff, Gretchen Tanner seeks revenge by murdering the parasite who put her sister in an early grave. Unfortunately for her, she finds revenge brings more trouble than it's worth. Gretchen's accomplice in murder discovers her darkest secrets and uses them to force her into acting as his delivery girl, delivering packages with undetermined nefarious contents... moreAfter her twin sister is murdered in a dressing room standoff, Gretchen Tanner seeks revenge by murdering the parasite who put her sister in an early grave. Unfortunately for her, she finds revenge brings more trouble than it's worth. Gretchen's accomplice in murder discovers her darkest secrets and uses them to force her into acting as his delivery girl, delivering packages with undetermined nefarious contents. Much to her dismay, he arrives at the funeral home in an official FBI capacity, asking questions about the murder. To make matters worse, he shows up as her Criminology professor. Each man professes a separate identity and a severe aversion to the others while flirting with her. Her only conclusion is that he suffers from Multiple Personality Disorder, leading her to wonder: if a woman dates a man with multiple personalities, can she still call herself a one-man woman? less

Tanner Family Funeral Home and Cemetery is under the gun. Someone is stealing from the dead bodies before they go to burial, and it’s a bit more nefarious than just jewelry and shoes. Gretchen is certain Corbin’s to blame and she’s finally located his hideout. Now if only she could catch him there. But time is short and she’s got a lot on her plate other than the concerns of the family business. A day job, school, and dating three different men at once are running Gretchen ragged... moreTanner Family Funeral Home and Cemetery is under the gun. Someone is stealing from the dead bodies before they go to burial, and it’s a bit more nefarious than just jewelry and shoes. Gretchen is certain Corbin’s to blame and she’s finally located his hideout. Now if only she could catch him there. But time is short and she’s got a lot on her plate other than the concerns of the family business. A day job, school, and dating three different men at once are running Gretchen ragged. Little does Gretchen know, things are about to go from bad to worse as lies and betrayal infiltrate every aspect of her life. less

Gretchen Tanner doesn’t know what or who she wants. Unfortunately for her, all three men in her life don’t share her problem. They all want her, and they all have their own reasons. To further their agendas the Cade Brothers take Gretchen to Texas where she meets the family, figures out who’s really responsible for her sister’s murder, and decides who she really loves. The only problem is she might not survive long enough to tell him... moreGretchen Tanner doesn’t know what or who she wants. Unfortunately for her, all three men in her life don’t share her problem. They all want her, and they all have their own reasons. To further their agendas the Cade Brothers take Gretchen to Texas where she meets the family, figures out who’s really responsible for her sister’s murder, and decides who she really loves. The only problem is she might not survive long enough to tell him. The Devil’s wants his due, and he’ll take it by any means necessary. less