Mi primera gran enciclopedia

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.

In this book, children learn how we can tell if something is shiny or dull and which materials have these properties.

Navigation instruments have changed over time. Lodestones, sunstones, and sextants helped early navigators find their way. Modern technology makes navigation more precise than it has ever been. But the roots of navigation still remain. Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides English language learners through every step of the engineering design process. Inspire students to pursue a STEAM career with career advice from a real person working ...

La vida de Eva, una muchacha de 12 años, sufre un giro dramático cuando su madre entra en coma por circunstancias desconocidas. Su padre, entonces, decide enviarla una temporada a la isla de El Hierro, con su abuelo, al que apenas ve. Allí no solo descubrirá los encantos y misterios de la zona, sus costumbres y sus gentes, sino que, ayudada por su nuevo amigo Jonay, vivirá una fantástica aventura en donde leyendas como la del Garoé juegan un papel esencial. El desafío de la leyenda es una estupenda novela de aventuras, llena de acción y misterio, que nos descubre los encantos y el...