Su silencio

Did you know that jellyfish are found in every ocean? A group of jellyfish is called a bloom. Learn more about these stinging drifters in All About Jellyfish.

Mateo Chamero es un niño obeso de ocho años al que su madre quiere obligar a adelgazar. Su compañera de pupitre, Ana, está muy enferma. Mateo quiere ayudarla, pero no sabe cómo. ¿Encontrará el modo de hacerlo? Una estupenda historia que resalta los valores de la amistad y la superación de dificultades.

Count, sort, and classify the dress-up hats, cowboy hats, and silly hats! Beginning readers will enjoy learning to classify and sort objects with this brightly illustrated Spanish book. Featuring vivid images and easy-to-read text, this full-color book develops students' math and reading skills and introduces them to early STEM themes. The Math Talk section includes questions that will increase understanding of basic math and reading concepts and develop students' speaking and listening skills. Learning math is fun and easy with this engaging text!

For ages, the idea of machines that think and act on their own has gripped scientists, thinkers, and the general public. This book explores the history of artificial intelligence (A.I.), and how science fiction is quickly becoming science fact. It examines the technologies involved in A.I. and its inevitable effects on work, life, health, and many other aspects of human society. Rooted in history and science, this book provides an inside look at a topic that captivates engineers, scientists, and dreamers, but also raises important ethical issues and challenges how we see ourselves and our...