Alexander Graham Bell

Rudy can't find his favorite sweater. He's looked everywhere: inside the house, outside, and in the apartments upstairs and downstairs. In the kitchen, in the bathroom, here, there . . . where could it be? This enchanting story has flaps, pages with cutouts, and numbers to count.

Our closest solar system is about 10 light years away. It has two main types of planets. Some are rocky and small, like planet Earth, while others are huge balls of gas, like Jupiter. Learn about how astronomers once thought our solar system was the one and only, to how they have now discovered hundreds of stars with planets orbiting them, which means there could be billions of solar systems in outer space! Just maybe, these alien worlds could host life, like our own amazing planet. This book allows students to use observations of the Sun, moon, and stars to describe patterns that can be...

Übungsgrammatik für Deutschlerner, Niveau A1-B1. Mit Hörübungen als MP3 und interaktiven Übungen auf CD-ROM.

Neurociencia y Didáctica se unen en este libro para recorrer el comienzo de un sendero entre nuestras neuronas, emociones, miedos, recuerdos y experiencias, apostando por un aprendizaje equilibrado a nuestra propia naturaleza y capacidades.