Enjoy, and if you have any other ideas or places that I missed, please email them to me so I can add them to the list. This list is not complete and may never really be complete. I'm updating this when I get a chance so check back. Maps are a hot item and the most asked about in email. This place has maps, books, etc.
Lake County has very nice, detailed maps of their trails.
The state of Wisconsin has a marvelous set of maps covering the entire state showing on road bike routes, recommended roads to ride, mt. I have a set and I hope they still publish these maps. Try the Wisconsin Dept. of Tourism. Now then . . . Here's the Places . . .