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Halfway to the Grave (Night Huntress #1) by Jeaniene Frost

From the back cover:
"Half-vampire Catherine Crawfield is going after the undead with a vengeance, hoping that one of these deadbeats is her father; the one responsible for ruining her mother's life. Then she's captured by Bones, a vampire bounty hunter, and is forced into an unholy partnership. In exchange for finding her father, Cat agrees to train with the sexy night stalker until her battle reflexes are as sharp as his fangs. She's amazed she doesn't end up as his dinner; are there actually good vampires? Pretty soon Bones will have her convinced that being half-dead doesn't have to be all bad. But before she can enjoy her new found status as kick-ass demon hunter, Cat and Bones are pursued by a group of killers. Now Cat will have to choose a side . . . and Bones is turning out to be as tempting as any man with a heartbeat."

It took me two weeks to get through this -- including skimming over the last 100 pages. I am still trying to figure out what I did not like about it. It just did not grip me. I did not connect with the characters. Bones stayed one-dimensional. I did not like the mother. The plotline did not interest me. The bad guy was just a blank.She definitely didn't have me staked in five seconds flat.