¡Lideraré el camino! (I'll Lead the Way!)

Explains the idea of taking turns and emphasizes how important taking turns is to being fair and being a good friend.

Beginning readers will be captivated by the creatures they meet in this Spanish translation of Prehistoric Creatures. The simple text describes ancient animals that swam the seas, soared through the skies, and roamed the Earth long before people existed. Each book describes a group of dinosaurs that shared one or two fascinating features. Dazzling illustrations help bring these amazing creatures to life!

Llega la guía más completa para explicar qué ocurre a medida que vamos creciendo. En esta guía se dan respuestas a todas las dudas que surgen a medida que se acerca la pubertad, desde la primera regla hasta los diferentes cambios en el cuerpo, pasando por todos los temas de gran importancia a esa edad: ¿Qué es el sexo? ¿Por qué tengo muchísimo vello? Un libro especializado para adolescentes con claves y consejos que dan la confianza necesaria para poder gestionar todos esos cambios de forma adecuada y entendiendo qué está pasando. Un gran aprendizaje para cuidarse a uno mismo. Un...

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.

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.