Has anyone else seen once of these?

http://www.amazon.com/GPS-Waypoints-Washington-Michael-Ferguson/dp/189218253X/sr=8-1/qid=1158330990/ref=sr_1_1/002-6918542-3327236?ie=UTF8&s=books

It's a book of Waypoints.  some seem kinda silly, like a point for a lake that is miles across.  But some might be good, like waterfalls and mines and such.  My GPS seems to have a lot of water falls though and maybe some mines.  might be worth it, maybe not.

pwc