¡Sin resolver! Casos misteriosos

Where is your brain exactly? What does it do? Use your brain to read this engaging, Spanish-translated title and learn all about it!

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.

¿Dónde vamos hoy? es una colección de cuentos didácticos, complementados con amenas canciones, rimas y pequeñas piezas teatrales, para niños de a partir de 5 años que explican, a través de las divertidas clases y excursiones de nuestra maestra Teresa, la elaboración o el origen de muchos de los alimentos que utilizamos diariamente: el agua, la leche, los huevos, la miel, el pan, el aceite, el chocolate y el arroz. Esta vez los alumnos desconocían el destino de la excursión. El autobús se detuvo frente a una puerta enorme. ¿Qué habría al otro lado? Era la granja de Arturo, un...

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

Daniel Hernández ayudó a salvar la vida de la congresista Gabrielle Giffords, y la experiencia de su vida es fuente de verdadera inspiración en estas sentidas memorias en español. “Yo no me considero un héroe”, dice Daniel Hernández. “Hice lo que cualquier otra persona debió haber hecho. Héroes son aquellos que dedican toda su vida a ayudar a otros”. Cuando Daniel Hernández tenía veinte años trabajaba como pasante con la congresista Gabrielle Giffords. El 8 de enero de 2011, durante un evento titulado “El congreso en tu esquina”, alguien le disparó a Giffords. La...

FIND OUT HOW PEOPLE BECAME KNIGHTS, AND WHAT KINDS OF WEAPONS THEY USED AND WHAT KNIGHTS DID WHEN THEY WERE NOT FIGHTING. THIS NEW USBORNE DISCOVERY BOOK, WITH AMAZING PHOTOGRAPHS AND COLORFUL ILLUSTRATIONS, EXPLORES IN FASCINATING AND SOMETIMES DESCRIPTIVE DETAIL HOW KNIGHTS LIVED, DIED, AND EVENTUALLY DIED OUT ALTOGETHER.