Family Maps of Warrick County, Indiana (Deluxe Edition) by Gregory A. Boyd, J.D. has been published by Arphax Publishing Co. The book contains information about early Warrick County landowners in map form, which helps you make sense of the township-range descriptions of land found in deeds. The maps are also a way to figure out who your ancestor's neighbors were.
The spiral-bound version of the book costs $29.95; a hardbound version (suitable for libraries) costs $44.99. For more information, including an index of the surnames found in the book, please visit their website.