Family Maps of Allen County, Indiana (Deluxe Edition) by Gregory A. Boyd, J.D. has recently been published by Arphax Publishing Co. The book is 252 pages and contains information about early Allen County landowners in map form (65 maps in all, including historical maps that show cemeteries and other features), that help 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. So far 32 of Indiana's counties have been published in the Family Maps series.
The spiral-bound version of the book costs $34.95; there is also a hardbound version for libraries, which costs $49.99. For more information (including samples and a surname index), visit http://www.arphax.com