Technology & Engineering
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La fortaleza de la calle cuatro: Una historia acerca de seis máquinas simplesby Lois SpanglerHardcover Books
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Echa a volar (Ready to Soar, Spanish Edition)by Cori DoerrfeldHardcover Books
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Los Preguntes #Ada MagnÃÂfica, cientÃÂfica, investiga #5: Todo sobre los robots (Ada Twist, Scientist: The Why Files #4: Bug Bonanza!, Spanish Edition)by Andrea BeatyPaperback Books
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Who Was George Washington Carver?by Jim GigliottiPaperback Books
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Running on Sunshine: How Does Solar Energy Work? (Let's Read and Find Out Science, Level 2)by Carolyn Cinami DeCristofanoPaperback Books
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Tu Youyou's Discovery: Finding a Cure for Malariaby Songju Ma DaemickeHardcover Books
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She Persisted in Science: Brilliant Women Who Made a Differenceby Chelsea ClintonHardcover Books
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A Vaccine Is Like a Memoryby Rajani LaRoccaHardcover Books
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Geeger the Robot #6: Field Tripby Jarrett LernerPaperback Books
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Fred & Marjorie: A Doctor, a Dog, and the Discovery of Insulinby Deborah KerbelHardcover Books
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The Many Hats of Louie the Ratby Sakshi MangalHardcover Books
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