Las Tres Preguntas

Learn how technology has improved lighthouses over time with this book that features a hands-on STEAM challenge and uses real-world examples to give insight into how the engineering design process is used to solve problems.

La vida de Alejandro García-Duran es intensa y desbordante. En estas páginas se pretende rescatar al Alejandro con conciencia social, al justo, al padre Alejandro de Las Arenas, al escolapio incómodo, al padrecito callejero, a Chinchachoma...Perfiles diversos que definen su apostolado. A lo largo de ocho capítulos que recorren la trayectoria vital en diversos escenarios geográficos, intentamos acercarnos al perfil de los callejeros y, finalmente, damos voz, a través de sus testimonios, a algunas de las personas que compartieron con él la difícil tarea de luchar por los niños y niñas ...

“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 Jurassic Park. Take a trip through dinosaur time to meet these small dinosaurs face-to-face: Little Lesothosaurus was the length of a house cat! Epidendrosaurus could climb into trees like a squirrel! Liaoceratops had body armor and horns-and was only the size of a collie dog! Plus,...

Discusses the various features of Australia, including its climate, mountains, rivers, lakes, animals, vegetation, coral reefs, flightless birds, population, and cities, and history of the Aborigines.