Patrullas de Policma/Police Cars

Describes what the different track events are, how to warm up for a track meet, and how to compete in a track meet.

Practice time measurement by timing races! Racing is all about having the fastest time, so accurate time measurement is very important for athletes! Young readers will learn all about how athletes measure racing times and will practice their mathematical and STEM skills. The Spanish-translated text, vibrant images, fun practice problems, and helpful mathematical charts in this title make time measurement seem exciting and simple!

Este libro es un cancionero sencillo para colaborar en la formación musical de la infancia sin pretensiones de establecer ninguna metodología convencional, propiciando que los elementos musicales básicos queden profundamente arraigados a través de la creatividad.

Bring history home and meet some of the world's greatest game changers! Get inspired by the true story of a famous scientist who changed our understanding of physics forever. This biography series is for kids who loved Who Was? and are ready for the next level. In 1974, Stephen Hawking shook the world of physics. His theory on black holes went against everything the science community accepted as fact. How did he make such revolutionary discoveries? From a childhood spent building model airplanes to recognition as one of the greatest scientists of his time, Stephen's genius and endless...