Visually inspected by Bonnie: paperback, copyright 2009, no marking text, good condition on pages, book cover, and binding, shelf wear. light #A; We ship, M-F by 4pm MDT and Saturday by 12pm, with tracking info. Additional Details ------------------------------ Subject keyword: Environmental project, green living, green project, energy efficiency, reduce Emissions, solar power, alternative fuel, wind power, hydro power, insulation, thermal mass, worm compost bin, seed bombs, Audit appliances, energy meter, water purifier, rainwater collection, solar cooker, Solar water heater, Solar thermal panel, Waterwheel, spiral water pump, fire piston, homopolar motor, coin battery, solar module, PV cell, wind turbine, weather protected human powered vehicle, biodiesel, contained composite structure, hexayurt, Build Your Own Electric Vehicle, Run Your Diesel Vehicle on Biofuels, Solar Energy Projects for the Evil Genius, Build Your Own Plug-In Hybrid Vehicle, Build Your Own Electric Motorcycle, Fuel Cell Projects for the Evil Genius, Renewable Energies for Your Home