Lacking Natural Simplicity

Halfway to the Grave, by Jeaniene Frost, copyright 2007; ISBN 978-0-06-124508-4.

The first in the Night Huntress series; the main character is Cat Crawfield.

One Foot in the Grave, by Jeaniene Frost, copyright 2008; ISBN 978-0-06-124509-1.

The second in the Night Huntress.