La búsqueda de la velocidad: Los vehículos (The Quest for Speed: Vehicles) 6-Pack

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

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.

Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to the six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.

This timeless tale (now available in Spanish) tells children the story of the crucifixion from the viewpoint of Rex, the tree that became the cross Jesus carried to Calvary. Proud and ungrateful at first, Rex learns a lesson in love from the humble and gentle Jesus. With this story, children come to understand the importance of Jesus' sacrifice and the power of his love. El arbol orgulloso se llamaba Rex y se portaba como si fuera el rey de todos los arboles del bosque. Hasta que un dia sucedio algo que cambio su vida y la de toda la creacion. Este relato imaginario sobre la crucifixion llega ...

He aquí uno de los más grandes poemas épicos de todos los tiempos: Odisea. En él se narra el regreso del héroe, Odiseo, a su patria, Ítaca, después de la conquista de Troya. Compuesta como la Ilíada en hexámetros, recoge numerosos cuentos populares y leyendas que, adaptadas, se integran en la epopeya. De este modo, mientras que en la Ilíada el tema central, la cólera de Aquiles, va avanzando inexorablemente, verso a verso, desde su planteamiento hasta su desenlace, en Odisea el regreso del héroe es narrado, con arte magistral, sin recelar de las vueltas atrás o de las...

Para jóvenes lectores que además ejercen de espías, detectives, conspiradores y aventureros, este libro presenta todo tipo de sistemas, de lenguajes y de ingenios para crear y ocultar mensajes secretos. Desde las órdenes cifradas de Julio César, hasta el extraño mensaje en clave que escribió el hombre de la máscara de hierro, el código que utilizó Sherlock Holmes o la fabricación de tinta invisible, con ejercicios prácticos y un diploma acreditativo.

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for the film Jurassic Park. Take a trip through dinosaur time to meet these deadly dinosaurs face-to-face: The Variraptor had pointy teeth with grooves like steak knives to saw through meat! The Draeomaeosaurus was the first raptor ever discovered. It had a very large brain! The Microraptor was ...