Los derechos humanos

Desastres naturales (Natural Disasters) is an exciting book about how estimations and predictions help save lives in natural disasters. Students will learn critical math concepts as they are engaged in reading about the properties of natural disasters. Practice problems and mathematical diagrams help students reinforce the importance of mathematics. This Spanish title includes a glossary, an index, engaging images, and easy-to-read text to help students build their math and reading skills.

¡La ciencia como nunca antes la has visto! Cargada de impresionantes imágenes en 3D, ¡Ciencia! muestra los fundamentos de la ciencia con un detalle asombroso: desde las partículas atómicas hasta la metamorfosis. El texto claro y autoritativo explica conceptos complejos de manera sencilla: desde la gravedad al ADN, pasando por los estados de la materia. Esta enciclopedia es el regalo perfecto para niños a partir de 9 años y una ayuda indispensable para el aprendizaje en el hogar de toda familia.

One night, a renowned and now retired literary publisher has a vivid dream that takes place in Dublin, a city he's never visited. The central scene of the dream is a funeral in the era of Ulysses. The publisher would give anything to know if an unidentified character in his dream is the great author he always wanted to meet, or the ghostly angel who abandoned him during childhood. As the days go by, he will come to understand that his vision of the end of an era was prophetic.

Updated for 2020, this eBook discusses how counting is used in games, in taking turns, in putting things in order, and in telling when things happen.