They are definitely worth while. If you have a GPS unit in your rig or a hand held it makes it even better. They pack a lot of other info in there besides just the trail heads, and directions. There is a lot of stuff for those folks who like to enjoy the scenery and what to do some site seeing as well on the trai. There is a lot of historical information on the towns and people that were famous back in the day when these trails were widely used. Great book to have. The wife and I have both the SoCal and NorCal books. Hopefully I can get away from work one of these days to do a run again with you guys!
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What Road?