The Grendel Affair, by Lisa Shearin

What an amusing, weird novel.  Reminds me of Ghost Busters, but with more attitude.   Our hero is Mac, a former tabloid journalist who now works for SPI: Supernatural Protection & Investigations. This is because Mac is a seer; she can see monsters that others can't.  SPI exists to keep the monsters under control so that normal folks aren't affected by them, and most of their staff (unlike Mac) are themselves some sort of para-normal type.

This is light hearted fun, big on action and somewhat silly.  Well, maybe quite silly.  But fun.

The Grendel Affair: A SPI Files Novel