¡Sin resolver! Casos misteriosos

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.

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

A young boy tries to help his younger brother, whose mind and body has become occupied by another boy, a young soldier in Saddam Hussein's army during the Persian Gulf War.

A Rube Goldberg machine is designed to perform a simple task through a series of elaborate steps. These simple machines are named after Reuben “Rube” Goldberg, an American cartoonist, engineer, and inventor. Learn how these fun machines work and ignite a curiosity about STEAM topics! Created in collaboration with the Smithsonian Institution, this informational text features a hands-on STEAM challenge that is perfect for makerspaces. Make STEAM career connections with career advice from Smithsonian employees working in STEAM fields. Perfect for school reports and projects, this Spanish...

NOS ENCONTRAMOS ANTE una realidad social volátil y vertiginosamente cambiante, que nos obliga a una renovación permanente de ámbitos y situaciones que hasta ahora parecían relativamente estables, o bien evolucionaban de una forma lenta y más o menos controlada. El rápido desarrollo tecnológico y las nuevas y variadas formas de comunicación en las que estamos inmersos están configurando y reclamando un nuevo espacio educativo, un replanteamiento de las finalidades de la educación y la enseñanza. Las instituciones educativas no pueden permanecer al margen de esta realidad social por...

Joseph Wambaugh, maestro del thriller policíaco, ha vuelto con una adictiva novela focalizada una vez más en los oficiales de policía de la Hollywood Station del LAPD; en concreto en el papel que juegan los «cuervos», nombre popular de la Agencia de Relaciones Comunitarias (CRO), compuesto de policías que no están satisfechos en las calles y que se sienten más seguros velando por la «calidad de vida» de los vecinos. Los policías de Wambaugh reiteran que se sienten aplastados por el peso de la vigilancia federal que sobrevino tras varias olas de escándalos relacionados con el...