Medida del tiempo en las carreras (Timing Races) (Spanish Version)

Los jóvenes más apasionados por la tecnología podrán empezar a familiarizarse con Scratch 3.0 gracias a esta guía de programación para principiantes. Aunque el mundo de la codificación está lleno de conceptos complicados, estos se volverán más sencillos y divertidos de aprender a medida que los programadores del futuro construyan sus propios proyectos usando Scratch 3.0, la última versión del lenguaje de programación más popular entre principiantes. Diseña un dinosaurio virtual o tu propia tarjeta de felicitación electrónica. Inventa tu propio juego o simulación, y crea...

From the candiru to the lionfish, there are so many kinds of fish on Earth. While all have different methods of production, the basic life cycle is the same, from egg to spawning swimmers. Readers are introduced to this general cycle as well as the important vocabulary needed to talk about it, such as “fry” and “spawning.” Accessible language and simple diagrams throughout the book provide a way for struggling readers to tackle science curriculum content.

"My name is Book and I'll tell you the story of my life." Nonfiction like you've never read it before! Quirky and humorous, part poetry, part reflection, this is the story of the book told by none other than Book himself! This extraordinary character begins by reminding us of his origins in oral story and clay tablets, then ponders on papyrus, parchment and paper, and on being a scroll who finally gets a spine. We see him lovingly illuminated by monks in medieval monasteries, then witness the massive changes brought about by the invention of the printing press, and the coming of paperbacks...

Now in a Spanish-language edition! “A must-read for a deeper understanding of a well-connected genius who enriched the cultural road map for African Americans and books about them.” — Kirkus Reviews (starred review) Amid the scholars, poets, authors, and artists of the Harlem Renaissance stood an Afro–Puerto Rican named Arturo Schomburg. This law clerk’s passion was to collect books, letters, music, and art from Africa and the African diaspora and bring to light the achievements of people of African descent through the ages. A century later, his groundbreaking collection, known as...