From the book Rubber To The Road a web site Rubber to the Road is produced by Dave Guettler. Ride information for this website is compiled and written by Jacob Erker. Rides from the print series by Peter Marsh and Otis Rubottom.
I did the Find the Gnomes ride which has a detailed map at GPSies.com http://www.gpsies.com/map.do?fileId=jrprsomieuxgofth.
Megan went with me and we did not see one Gnome AND I missed the left hand turn on Skyline after Germantown Rd and so cut the ride short.