Aviones y otras aeronaves

“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 armored dinosaurs face-to-face: The thick body armor of Ankylosaurus was stronger than the teeth of Tyrannosaurus rex! Gastonia had eyelids covered with bone! Euoplocephalus could swing its tail club like a weapon! Plus,...

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish book provides firsthand accounts of history that give personal insights into historical events. Students will learn about the culture, history, and distinctive features of the Lakota, Cheyenne, Comanche, Pawnee, Osage, Omaha, and Crow tribes. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. ...

El Monopoly y las obras caritativas; el altruismo y el cálculo de intereses egoístas; los nuevos ricos -altos ejecutivos con remuneraciones estratosféricas- y los nuevos pobres -los asalariados; el mundo multipolar sin fronteras y el renacimiento de las pulsiones nacionalistas; la nueva China que reproduce desigualdades dickensianas y las consecuencias paradójicas de la política del "hijo único"; la crisis del euro y las medidas de austeridad; los avances en biología y genética y la nueva servidumbre digital; las subprime y la lógica mercantil aplicada a la sanidad y la educación;...

With sugar skulls, sweet-smelling marigold petals and joyful songs, Hispanic families welcome back ancestors on this holiday.