Algoritmos: la base de la programación de computadoras (Algorithms: The Building Blocks of Computer Programming)

Describes where fossil fuels come from, their uses and forms, the harm they cause to the environment, and sources of renewable energy.

¿Sabías que los antiguos griegos inventaron la democracia, la filosofía, el teatro y los Juegos Olímpicos? ¿Y que fueron precursores en los campos de la ciencia, la medicina, la economía y el urbanismo? ¿Sabías cómo descubrió Arquímedes su famoso principio? Explorar la historia de la Grecia Clásica es descubrir una civilización con una riqueza cultural que no ha dejado de inspirar al mundo occidental. De Zeus a Atenea, de Aquiles a Ulises, los dioses y los héroes griegos están presentes en numerosas manifestaciones artísticas y literarias. Las batallas, los desafíos y las...

Beginning readers will be captivated by the creatures they meet in this Spanish translation of Prehistoric Creatures. The simple text describes ancient animals that swam the seas, soared through the skies, and roamed the Earth long before people existed. Each book describes a group of dinosaurs that shared one or two fascinating features. Dazzling illustrations help bring these amazing creatures to life!

Practice addition at the playground! This fun title, that has been translated into Spanish, uses examples from all around the playground to help children practice their addition and understand early STEM themes. Add up two blue swings and three red swings to get five swings! Add slides, rings, jump ropes, basketballs, and more! These familiar images work in conjunction with engaging "You Try It!" problems to encourage young readers to practice and improve their addition skills.

What do lions do? Let's find out! In this book, young learners ages 0-3 can explore facts about these amazing animals in both Spanish and English. These appealing board books are illustrated with vibrant photos, presenting simple facts about a variety of wild animals. Side-by-side English and Spanish text lets children and caretakers compare words in two languages. This series is perfect for building early bilingual literacy skills!