Cómo funcionan los juguetes (How Toys Work)

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther.

Learn how a designer's sketch becomes the fashion we wear and how a designer uses math and geometry to make their designs successful in this fashion-filled book! Including information about the fashion industry, clothing fabrics, patterns, and textures, readers learn all about the different aspects of the fashion industry. With a glossary, index, vivid images, informational text, and interesting facts, this Spanish-translated nonfiction book with engage students from beginning to end.

Read Along or Enhanced eBook: Learn the secrets to artful cupcakes, oven-fresh bread, and other delicious baked goods in this delightful nonfiction title. Readers will learn how mathematics helps bakers measure their ingredients to make tasteful treats. Featuring vibrant images and charts, informative text, and fun, intriguing facts, this Spanish-translated nonfiction book will leave children fascinated by all the details that go into baking their favorite treats--like doughnuts and cookies!

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, and who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.

Los chitas son los felinos africanos que más rápido están desapareciendo. El texto lírico comparte los sueños de un futuro brillante mientras la atractiva información en las barras laterales proporciona una gran cantidad de información de historia natural. Desde sus patas con tacos parecidos a los de los zapatos atléticos a sus caras marcadas con “lágrimas”, estos majestuosos felinos está muy adaptados a la vida en la sabana africana. Feroces predadores, corren detrás de sus presas a altas velocidades, ¡una carrera exhaustiva que los deja listos para dormir un rato!

A biography of the Chicago Cubs outfielder who in 1998, along with Mark McGuire, broke the home run record previously set by Roger Maris.

Esta es la historia abreviada de una mensajera del Señor. Es la narración en primera persona, realizada por la protagonista y otros colaboradores, de su niñez, su conversión y sus hechos de vida. Una vida que, inspiradora para todos los que se relacionaron con ella y para los lectores de sus escritos, incluye las vicisitudes de cualquier ser humano: aflicciones y gozos, pruebas y luchas, satisfacciones y éxitos. Que este relato produzca, en todo verdadero creyente en Dios, una experiencia vital y el compromiso de ser beneficiosos para la sociedad y el prójimo en particular.