Cómo actuar de manera informada (How to Take Informed Action)

Get a close-up look at animals in the zoo, from appearance to behavior to babies. This series uses vivid photos to compare life in the wild and life in captivity in terms of habitat, activity, and diet.

Christopher Columbus most likely wasn’t the person to discover the Americas. He wasn’t even the first European to do so! Despite that, his three trips to the Western Hemisphere led to many more European explorers heading in that direction. In this volume, readers familiar with Columbus’s travels on the Nina, Pinta, and Santa Maria can learn who Columbus was beyond his travels. Supported by full-color and historic images, interesting main content turns what readers think they know about the life of Columbus on its head while expounding on an important period in the history of the world.

This Spanish-language series presents the complete range of math concepts and skills students are expected to master during the first grade. The series moves sequentially, from easiest to hardest concepts, with each book covering a different math topic. The first volume reviews the math concepts students learned in kindergarten. The next six books cover counting, adding and subtracting, tables and graphs, money, patterns, and measuring. The eighth volume is a summary of the math concepts students have studied throughout the year. Each book presents situations that show the relevance of math...

Las calles de una ciudad están llenas de historia, curiosidades y viejas leyendas. Descubre todo lo que hay que saber sobre Sevilla con esta divertida guía, pensada para que los jóvenes viajeros disfruten conociendo esta interesante ciudad. Además, encont