- $9.50Using Renewable Energy by Nancy DickmannBetter World Books
- $9.94Using Land to Save Energy by Corbin C. HarwoodBetter World Books
- $9.15Energy Efficient Home : A Manual for Saving Fuel and Using Solar, Wood and Wind Power by Steven, Dubin, Fred S. RobinsonBetter World Books
- $5.68101 Amazing Uses for Apple Cider Vinegar : Soothe an Upset Stomach, Get More Energy, Wash Out Cat Urine and 98 More! by Susan BransonBetter World Books
- $5.14The Healing Bath : Using Essential Oil Therapy to Balance Body Energy by Milli D. AustinBetter World Books