Mujeres en las ciencias (Women in Science)

As a land that’s constantly in flux, Earth sometimes reveals clues about the plants, animals, and other organisms that lived long ago. Fossils teach us much about what life was like millions of years ago, answering the questions of how Earth changed and maybe even why it changed. This essential Earth science topic is thoroughly explained through manageable text, fact boxes, informational charts and diagrams, and a glossary and index. Readers will become young Earth detectives by the time they’re through with this text!

What has a head, two tails, and shoots across the sky? A comet. Coming from the far edges of the solar system, most comets travel around the Sun, while meteors appear as flashing streaks of light in the night sky. Explore these amazing celestial wonders as they zip through space! This book looks at the difference between comets and meteors and their effects on Earth. The physical characteristics of each are identified in detail. This book won’t come crashing down! It’s filled with fun facts that give additional information on this exciting science topic. This book allows students to use...

Filled with tricks and treats, fun and food, Halloween is a day that children look forward to. At one time two separate festivals, the traditions of each gradually blended into the holiday we now celebrate on October 31.

Un libro para jóvenes curiosos dispuestos a desvelar los 22 misterios de la historia sin resolver. ¿Sabes cuántos aviones han desaparecido al sobrevolar el Triángulo de las Bermudas? ¿Existe de verdad el monstruo del lago Ness?, ¿son reales sus fotografías? ¿Sabías que, en tiempos de la Antigua Roma, desapareció una legión entera y nadie supo nunca qué fue de los soldados? ¿Sabías que años después, en China, se encontraron escritos que podrían demostrar que reaparecieron allí, en la otra punta del mundo? ¿Crees que Nicolas Flamel llegó a crear la piedra filosofal? Aquí...

Spanish language edition. This extraordinary counting book is full of astonishing illustrations and amazing facts about the fascinating world of insects. Once again, Jerry Pallotta's perfect blend of information and humor has created a favorite for children and adults.