Los cinco sentidos

"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 fast dinosaurs face-to-face: The Gallimimus could outrun a sandstorm! The Struthiomimus may have been the fastest dinosaur. It could run up to 60 miles per hour! The Liaraptor ran until it took off into the air! These may have...

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

El Cazador de incendios andaba todo el día de un lado a otro cazando incendios con sus bolsas y cajas. Pero un día, un incendio se le resistió. Cuando ya sólo pensaba en su fracaso, precisamente ese día, encontró el amor.

¿Qué tienes que decir cuando contestas al teléfono? Descubre cómo los buenos modales convierten el teléfono en una herramienta útil para todos.