Click on a thumbnail to go to Google Books.
River Rising (edition 2006)
River Rising by Athol Dickson
References to this work on external resources.
Wikipedia in English
"Hale Poser arrives in Louisiana in 1927 to find racial prejudices missing from the small town of Pilotsville. In pursuit of a missing child, however, he uncovers a dark secret"--Provided by publisher.
(summary from another edition)