¿Caimán o cocodrilo? (Alligator or Crocodile?)

What’s the difference between a seal and a sea lion? These “second cousins” of the sea look similar, but there are many ways to tell these creatures apart. From ear shape to the noises they make to communicate, seals and sea lions are amazing creatures with both shared features and many truly unique attributes. They both share an ocean habitat, but when readers take a closer look, it’s easy to discover how they each fight off predators, mate, and raise their young in different ways. Captivating full-color photographs help to bring these marvelous mammals to vivid life.

Young readers may have heard about the benefits of using and making the most of their resources, but how does that factor into an economic discussion? This thorough discussion defines resources and describes the different types of resources and why some divide them into three categories and others choose four. The book also addresses the concept of scarcity, showing readers how, because all resources have their limits, it is important to use them responsibly and efficiently in a healthy economy.

Hurricanes takes you inside one of nature's most powerful events! Warm water and wind can quickly spin into a deadly storm. Dramatic photos show the damage huge hurricanes leave behind, and safety tips help you protect yourself from danger. Spanish Edition

What does it mean to be a good citizen? Full-page, color photographs accompany real-life examples of good citizenship that young readers will understand, relate to, and be inspired by.

La novela empieza una vez Marta ha vuelto a Alicante, tras doce años de estancia en Nápoles. Con el recuerdo de la muerte de la abuela, construirá los puentes simbólicos de su memoria con el objetivo de re&flexionar sobre los motivos que la han llevado a una nueva fuga, en este caso de&finitiva. Marta dibuja puentes es un canto a la unión entre los pueblos del Mediterráneo, un análisis atractivo de las semejanzas y de las diferencias culturales entre dos ciudades portuarias que comparten un pasado histórico común.