Las estaciones del ferrocarril subterráneo (Depots of the Underground Railroad)

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.

This parent-teacher guide features the ancient and powerful art of storytelling to illustrate the yogic philosophy in finding both personal and world peace. Combining 26 stories drawn from varied faiths and cultures—African, Buddhist, Christian, Hindu, Jewish, Muslim, Native American, and Sufi—with the rewarding practice of yoga, this handbook provides a foundation for expanding children’s listening, literacy, and communication skills, as well as their physical fitness and self-confidence, resulting from the execution of the yoga moves themselves. A set of ready-made lesson plans urges...

La abuela de Kerstin gana un premio estupendo: un crucero por el Caribe. A Kerstin le apetece mucho ir, pero no tiene billete. Sin embargo se las ingenia para colarse en el barco... ¿Qué peripecias esperan a este singular polizón? Una divertida novela en la que se refleja la importancia de la amistad y las relaciones interpersonales.