Technology & Engineering
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La fortaleza de la calle cuatro: Una historia acerca de seis máquinas simplesby Lois SpanglerHardcover BooksRetail: $17.95You Pay: $2.50You Save 86% -
Kid Engineer: Working with Energyby Izzi HowellPaperback BooksRetail: $4.99You Pay: $2.75You Save 45% -
Echa a volar (Ready to Soar, Spanish Edition)by Cori DoerrfeldHardcover BooksRetail: $18.95You Pay: $7.19You Save 62% -
Los Preguntes #Ada Magnífica, científica, investiga #5: Todo sobre los robots (Ada Twist, Scientist: The Why Files #4: Bug Bonanza!, Spanish Edition)by Andrea BeatyPaperback BooksRetail: $12.95You Pay: $5.39You Save 58% -
Bomb: The Race to Build—and Steal—the World's Most Dangerous Weapon (Carton of 24 Hardcovers)by Steve SheinkinHardcover BooksRetail: $551.76You Pay: $234.15You Save 58% -
Who Was George Washington Carver?by Jim GigliottiPaperback BooksRetail: $6.99You Pay: $3.60You Save 48% -
Running on Sunshine: How Does Solar Energy Work? (Let's Read and Find Out Science, Level 2)by Carolyn Cinami DeCristofanoPaperback BooksRetail: $8.99You Pay: $3.75You Save 58% -
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Black Heroes Nonfiction Collection (40 Paperback Books)by VariousPaperback BooksRetail: $518.00You Pay: $231.30You Save 55% -
Tu Youyou's Discovery: Finding a Cure for Malariaby Songju Ma DaemickeHardcover BooksRetail: $17.99You Pay: $7.80You Save 57% -
She Persisted in Science: Brilliant Women Who Made a Differenceby Chelsea ClintonHardcover BooksRetail: $17.99You Pay: $6.90You Save 62% -
A Vaccine Is Like a Memoryby Rajani LaRoccaHardcover BooksRetail: $18.99You Pay: $7.20You Save 62%
