El violín de Auschwitz

Young readers are introduced to the concept of habitats in this colorful book. Each spread describes a different habitat and the animals that live there. Children will learn about habitats in forests, deserts, grasslands, wetlands, on mountains, and in the Arctic and Antarctic. An activity asks readers to use what they have learned to match photos of habitats with their habitat names.

It is the third Monday in January and school is closed. But do you know why? It's Martin Luther King Jr. Day. Turn the pages of this book to find out what dream Dr. King shared with the world, who Mohandas Gandhi was, how one brave woman helped Martin Luther King Jr. change history. Each book in the Holiday Histories series describes one of America's holidays or special days. Explore the history of each day and learn the real reason why it is important. Discover what special meaning each day might have for you.

Now available in Spanish bilingual editions, this best-selling series offers big, brainy science for the littlest listeners. Accurate enough to satisfy an expert, yet simple enough for baby, this clever board book explores the ups and downs of gravity. When baby drops food from a high chair, why does it fall? Beautiful, visually stimulating illustrations complement age-appropriate language to encourage baby's sense of wonder. Parents and caregivers may learn a thing or two, as well!

La vigilancia epidemiológica consiste en la recopilación de información relevante y necesaria sobre algunas condiciones de salud de la población. Su análisis e interpretación proporciona bases para la toma de decisiones. En este libro hablaremos de la vigilancia epidemiológica en salud bucodental, ya que es importante llevarla a cabo para detectar factores de riesgo y diseñar actividades de intervención sanitaria. Tema 1. Demografía y estadística aplicadas a la higiene bucodental Tema 2. Epidemiología básica general y aplicada a la higiene bucodental Tema 3. Economía sanitaria...