La clave de Einstein

Decades after the end of the communist regime in Hungary, the author of this book receives a call about the appearance in a file of some documents that may interest him. They contain a surprising secret that will shake him to the ground.

Provides clues about a horse's physical characteristics, behaviors, and habitats in a guessing game format

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.

Konrad, el Ecuánime, titular del señorío de Warlavia, allá en la Europa lejana, decide convocar un singular concurso de narradores. Después de mucho buscar por tierras lejanas, encontrarán a dos candidatos, se trata de un hombre y una mujer, de muy distintos orígenes, Ismal y Nubis. Durante una noche, contarán cada uno historias increíbles que harán que Konrad tenga que tomar una decisión muy complicada.