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"This STEM-based set of True Books introduces students to the engineering innovations that can help us reach more environmentally friendly goals"--

Produktbeschreibung
"This STEM-based set of True Books introduces students to the engineering innovations that can help us reach more environmentally friendly goals"--
Autorenporträt
Daniel Johnson writes with sister Samantha Johnson and together they've written more than a dozen nonfiction books. They have farmed in Wisconsin using green methods for more than 20 years and especially love growing colorful varieties of tomatoes. Daniel has a particular interest in solar energy. Samantha Johnson writes with brother Daniel Johnson and together they've written more than a dozen nonfiction books. They have farmed in Wisconsin using green methods for more than 20 years and especially love growing colorful varieties of tomatoes. Samantha loves heritage livestock breed and was the Grand Prize Winner of the 2009 "Native Insight" writing competition.