Todo sobre las medusas

Introduces young readers to the tyrannosaurus rex, examining its physical characteristics, eating habits, and extinction.

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 testing. 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 testing works in the real world. In this book, a narrator freezes water to make ice and makes sure his process worked. This nonfiction title is paired with the...

Correlated to the science curriculum, our Spanish-language series describes how the types of homes that different animals build reflect adaptations to their environments. Through simple, easy-to-follow text, each volume looks at each type of home as a shelter from predators and weather and a place to store food and raise young. Young readers also learn how animal homes and human homes fulfill similar needs and functions.

En la actualidad, todas las organizaciones son en alguna manera “empresas de software”, ya que la calidad de sus sistemas de información se ha convertido en uno de sus principales objetivos estratégicos y, más que nunca, su propia supervivencia depende de la calidad de los productos y servicios informáticos. La industria del software tiene casi setenta años y en este período ha realizado grandes avances, ya que disponemos de lenguajes de programación más sofisticados, procesos de desarrollo más maduros, y las aplicaciones que se construyen en la actualidad son más complejas. Sin ...