Quien Fue Amelia Earhart?

"Dino" Don Lessom brings readers face-to-face with various dinosaurs, detailing how they lived, raised their young, and became extinct. Maps, timelines, and colorful illustrations and photographs will capture kids' attention. A dinosaur expert, Don Lessem has written more than 30 children's books.

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

El libro que explica a los niños qué es la constitución de una forma dinámica y asequible. Escrito por Javier Pérez Royo, jurista, experto en la constitución española y actual divulgador de la ley. «Constitución» es una palabra que todos conocemos. La hemos oído miles de veces, en la televisión, en la radio... Sabemos que es algo importante porque, a menudo, se habla de proteger la constitución, de respetarla o de preservarla. Pero ¿qué es la constitución? Si tuviéramos que explicárselo a un extraterrestre que viniera de visita, ¿qué le diríamos? Por medio de ejemplos...

Everyone has to be responsible for themselves. Let's explore ways to show responsibility! The Me Pregunto (I Wonder) series is perfect for young learners in prekindergarten through grade 2. These 16-page books give readers an accessible introduction to nonfiction reading. Color photographs and fun, factual examples will grab the attention of young readers and help strengthen reading comprehension skills.