Steel, , North Star Editions, Trudy Becker,Children’s / Teenage general interest: Machines and how things work,Children’s / Teenage general interest: Science and technology, juvenile nonfiction; educational books for grades 3 and 4; children ages 8 and 9; how things are made; how it works; how products are created; manufacturing goods; iron; Bessemer method; Andrew Carnegie; recycling; building bridges; constructing buildings; fossil fuels; climate change,, Momentous Materials, United States, en-UShttps://northstareditions.comjuvenile nonfiction; educational books for grades 3 and 4; children ages 8 and 9; how things are made; how it works; how products are created; manufacturing goods; iron; Bessemer method; Andrew Carnegie; recycling; building bridges; constructing buildings; fossil fuels; climate change, [BLURB],[CITY],,books, ebooks, biblet, Book2look