Energy from the Earth, , North Star Editions, Susan Wroble,Educational: Engineering,Educational: Technology, geothermal power plants; steam-powered turbines and generators; Frontier Observatory for Research in Geothermal Energy (FORGE); Earth’s core and layers; educational nonfiction for ages 8-12; underground heat stores; drilling; hot springs, geysers, fumaroles, volcanoes; tectonic plates; Ring of Fire,, Energy for the Future, United States, en-UShttps://northstareditions.comgeothermal power plants; steam-powered turbines and generators; Frontier Observatory for Research in Geothermal Energy (FORGE); Earth’s core and layers; educational nonfiction for ages 8-12; underground heat stores; drilling; hot springs, geysers, fumaroles, volcanoes; tectonic plates; Ring of Fire, [BLURB],[CITY],,books, ebooks, biblet, Book2look