RV Book's sister-site solarbooks.com provides powerful, proven, yet easy to read information about solar energy and how to make it work better while saving a lot of money.
Solar That Really Works! and Caravan & Motorhome Electrics deal with caravans, motorhomes, camper trailers & all RVs.
Solar Success is all about home and property systems.
All books are written by Collyn Rivers. They show quick and easy ways to tell what you can run from solar, the energy needed/available to do so and simple ways to design and install it. For no-nonsense information and advice about going solar you can't do better.