Juan Soto

Navigation instruments have changed over time. Lodestones, sunstones, and sextants helped early navigators find their way. Modern technology makes navigation more precise than it has ever been. But the roots of navigation still remain. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process and is perfect for makerspace activities. It ...

The sordid, thrilling, and comic story of two young lovers--affluent Lala and impoverished Guayi; examines the economic and social circumstances of Argentina and Paraguay to make sense of the characters' past choices and present misfortunes.

Why do we need food to live? Find out in this informative title that explains the importance of food to all living things.

Un libro para que los chicos conozcan de manera divertida el mundo de la luz y los colores. ¿Por qué vemos los objetos? ¿Por qué unos tienen un color y otros otro? ¿cuántos colores hay y cuántos podemos ver? Un montón de preguntas con sus respuestas claras, sencillas y divertidas. Completamente ilustrado para facilitar la comprensión de los chicos. Nota: este libro es gratuito. Si al descargarlo se solicitase una tarjeta de crédito, pulsar en el botón "descargar muestra", ya que se descargará el libro completo.