Aviones y otras aeronaves

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...

Stephen F. Austin grew up to become known as the Father of Texas. Readers can learn about his interesting and incredible life in this appealing biography that has been translated into Spanish and highlights both Austin's life and Texas history. Through vivid images and illustrations, supportive text, an accommodating glossary and index, and fascinating facts, readers will learn about Texas pioneers, the empresario system, Freemasons, and how Austin became such an important figure in Texas history.

A muchos de nosotros nos ha ocurrido alguna vez, creímos que existía otra dimensión además de las que ya conocemos y nos preguntamos si en verdad están ahí o si son meras ilusiones de nuestra frágil mente. Tal vez nunca encontremos una respuesta satisfactoria, tal vez perezcamos antes de averiguarlo, pero al menos sabremos que el mundo real siempre ha sido misterioso y cautivador para muchas personas.

Introduces the concepts of short and tall, comparing some of the world's shortest and tallest animals.