Today I purchased a book entitled, Backcountry Adventures Southern California, and I think its a book that all truck (especially Titan) owners that enjoy off-roading should have.
The book has detailed directions to 153 backcountry roads, which equals to over 2,900 miles. I already plan to put this book to use on Sunday. Gonna go explore a trail that's just a few miles away from home.
Here's a picture of the book:
Go buy it and have fun!