. . . "Alternative energy" . "Alternative energy"@en . . . . "Book of alternative energy" . . "The earth garden book of alternative energy" . . . . "Solar electric systems - Wind power - Steam power - Micro-hydro power - Storage, batteries and inverters - Appliances and the energy-efficient home - Cooking, lighting, refrigeration and generators." . . . . . . . . . "The Earth garden book of alternative energy" . "The Earth garden book of alternative energy"@en .