Trucos Con Sombreros = Anno's Hat Tricks

Simple text and photographs describe dragonflies, including their physical characteristics, behavior, and life cycle.

“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 horned dinosaurs face-to-face: Torosaurus had the biggest skull of any animal ever! Pentaceratops had five sharp horns on its head! Styracosaurus was as big as an ice cream truck! Plus, you'll get to know Centrosaurus,...

Know Your NumbersFind the hidden numbers in these exciting counting books. Count by ones, twos, fives, and tens!

La incorporacion de la mujer almundo laboral es uno de los grandes logros sociales del siglo XX. Susconsecuencias se han reflejado en todos los ambitos de la vida y han tenidorepercusiones en todos los niveles, especialmente en el linguistico. No muy atrasquedan los tiempos en los que la Real Academia Espanola definia las variantesfemeninas coronela como "la esposadel coronel" y medica como "la esposadel medico." La presencia de la mujer en profesiones que, hasta hacerelativamente poco, eran patrimonio exclusivo de los hombres ha generadodebates de gran interes. Uno de los mas recientes en...