This volume of nearly 700 pages contains much more than a standard history of the valley. About the first half the book is a history of the region from 1680 to almost the mid-19th century. Beginning at about the mid-point of the book there are substantial sections on Fort Wayne, biographical sketches of early pioneers, the early courts, Mercer County, Auglaize County, Wyandot County, Seneca County, Sandusky County, Allen County, Lucas County, Henry County, Defiance County, Hancock County, and Toledo.