Las palomas

Dragonflies are large flying insects known for their brightly colored bodies and see-through wings. They are among the fastest insects in the world. Learn more about these amazing animals in Dragonflies, a Fascinating Insects book.

¿Las personas pueden volar? ¡Sólo si son gimnastas! Aprenda sobre el gran deporte de la gimnasia. Las fotografías llenas de color que capturan la atención atraerán visualmente a los lectores, mientras que un diagrama útil demuestra los diferentes tipos de equipos de gimnasia. Estas grandes características, junto con las preguntas de pensamiento crítico hacen de este título una excelente introducción a la no ficción para niños. Can people fly? Only if they're gymnasts! Learn about the great sport of gymnastics. Attention-grabbing full-color photographs will visually engage...

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of debugging. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how debugging works in the real world. In this book, readers will investigate what's wrong with a circuit and find out how to fix the problem. This nonfiction book is ...

Ante la importancia de la educación como base de la competitividad en una economía basada en el conocimiento, las universidades han incrementado su atención en la calidad de sus programas de doctorado. Sin embargo, se aprecia que aún son escasas las instituciones educativas que tienen en su programa, una asignatura destinada a cómo escribir y publicar una tesis doctoral. Este libro es el resultado de varios años de experiencia en supervisión de tesis doctorales en programas de diversas universidades. Los contenidos y la estructuración de los mismos han sido contrastados con alumnos y...

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step...