¡Voy a tener un hermanito!

Your lungs make sure that you use air wisely. Learn how the air passes from the lungs to the bloodstream in this story about your amazing body.

Computer science is all around us, at school, at home, and in the community. Anyone can learn computer science, even at the elementary school level. This book delves into essential computer science concepts using age-appropriate language and colorful images. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience. The instructional guide on the inside front and back covers provides: Vocabulary, Background knowledge, Text-dependent questions, Whole class activities, and Independent activities.

La Ciencia nueva es una obra clave de la tradición cultural de Occidente. Su concepción es de tal riqueza que se ha considerado a su autor, Giambattista Vico (1688-1744), precursor de los románticos, de Hegel y de Marx; da origen a la Estética moderna, y crea el ámbito necesario para el surgimiento de las ciencias humanas, cimentando los fundamentos de la lingüística y de la antropología actuales. A través del novedoso empeño de una filosofía de la historia, su amplia y compleja visión del mundo ha seguido fascinando a pensadores y creadores contemporáneos tan dispersos como...

Think there's just one fairy tale with a beautiful girl and an evil stepmother? Think again! Cultures all around the world have their own Snow White stories. Visit Albania, Germany, Mozambique, and Turkey, and find out who meets 40 dragons instead of "seven dwarfs," and on whose forehead a bright star shines. Fully translated Spanish text.