Siglo XXII: El futuro del espacio (22nd Century: Future of Space)

Read Along or Enhanced eBook: Engineers have built some incredible things. But with every new feat, there is failure. Readers will learn about engineering feats and failures like the Titanic, the Hindenberg, the Hoover Dam, and more in this engaging, Spanish-translated nonfiction title. This book features brilliant images, charts, and intriguing facts in conjunction with informational text and mathematic skills to keep readers active and engaged.

Read Along or Enhanced eBook: Encourage readers to discover which foods are healthy for them and how to make the best food choices with this Spanish-translated nonfiction title. Featuring helpful charts and diagrams, interesting facts, informational text, and vibrant, detailed photos, readers are introduced to important concepts such as main food groups, proteins, carbohydrates, fiber, the recommended daily amounts, food allergies, and health concerns. With supportive and helpful language, readers are encouraged to make healthy eating choices to help keep them active, energetic, and strong.

"Four score and seven years ago..." begins Abraham Lincoln's beautiful speech commemorating the three-day battle that turned the tide of the Civil War. The South had been winning up to this point. So how did Union troops stop General Robert E. Lee's invasion of the North? With black-and-white illustrations throughout and sixteen pages of photos, this turning point in history is brought vividly to life.

Ecos, t’mpanos, vibraciones y volumen. V’vidas ilustraciones y textos sencillosexploran la asombrosa ciencia del sonido. Cada libro tiene un glosario, actividades pr‡cticas y fascinantes datos curiosos.

Describes the U.S. Army Rangers, including their missions, vehicles, weapons, equipment, and duties. Written in English and Spanish.

Este libro presenta una serie de magníficas fotografías tomadas por algunos de los mejores fotógrafos del mundo dedicados a registrar imágenes de la vida silvestre. Estas atractivas imágenes están acompañadas de textos sencillos y fácilmente comprensibles, presentando una gran diversidad de especies animales en actitudes muy divertidas, en medio de su entorno natural. De esta forma, los niños podrán reconocer que los animales ûal igual que ellos mismos y las demás personasû también desarrollan actividades entretenidas, comparables a los juegos y la recreación. En el mundo...