I have just finished reading this and found it very entertaining. It is sort of a 'police procedural' but with the twist that Anna Pigeon is a national parks ranger.

From the back cover:
"Newly assigned national parks ranger Anna Pigeon seeks solace from her own personal demons in the ancient cave dwellings of a vanished Native American civilization. But an inexplicable illness affecting visitors to the popular Colorado landmark has dragged her from her reverie--as have two mysterious tragedies: the death of a child... and the murder of a friend. And now she must find the very human source of the evil wind that is blowing through the ruins. For it threatens more innocent lives, Mother Nature...and Anna herself."

This is a second copy.

RELEASE NOTES:

In the back section of café on the lower table with the magazines.