Release date for River of Dreams: Imagining the Mississippi Before Mark Twain has been slated for June 2007. As you can see from the sidebar, it's already available for pre-order on Amazon.com - and numerous other reputable bookstores around the internet.
LSUP has also released its publication list for Spring 2007, which means that River of Dreams now has its own website here.
ISBN: 0-8071-3233-0 cloth
272 pages, 26 Halftones, 1 Map, 6 x 9