No te gustaría ser un soldado romano de la Muralla de Adriano!

"En esta obra descubrirás a la niña Sor Juana Inés de la Cruz, quien desde Nepantla, un pueblecito que esta entre el Popo y el Itza, te revelara que aprendió a leer antes de cumplir tres años de edad, en una escuelita que se llamaba "Amigas"; que leía uno tras otro los libros de la biblioteca de su abuelo; que cuando tenía ocho años escribió una loa, es decir, un poema de alabanza, para la fiesta del Santísimo Sacramento ¡ y que gano un libro como premio!, el primero de muchos reconocimientos que sor Juana habría de recibir a lo largo de su vida."--Publisher's website.

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, and who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

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 ...