Productores y consumidores (Producers and Consumers)

Imagine being lost and stranded in the desert. Would you know what to do to survive? This useful Spanish-translated nonfiction title explains the important skills needed to survive in the desert. With helpful diagrams and images, definitions, tips and instructions, informational text, a bibliography, and a list of other helpful websites, readers can be assured that they will learn about the dangers of heat exhaustion, desert plants that could aid in survival, and other helpful tips in order to survive in an emergency.

Bright stars twinkle in the night sky. Have you looked up into the sky on a clear night and seen these tiny points of light? Did you know that there are many kinds of stars in space? Find out all about them in this Spanish-translated book.

Do you know the important skills it takes to survive in the jungle? Learn about them in this useful, Spanish-translated nonfiction title. With helpful diagrams, vital tips and instructions, vivid images, and a glossary of useful terms, this title will have readers feeling aware and prepared!

This book tells of several indigenous groups and what we know about their lives and customs based on archaeological discoveries and chronicles of the first Spaniards to encounter them. This title also contributes to the overall knowledge and understanding of these Mexican cultures, which play an important part in the history of the ancient world. Este libro cuenta cómo en Aridoamérica florecieron variados grupos indígenas. Lo que sabemos sobre su vida y sus costumbres es resultado de los descubrimientos arqueológicos y las crónicas de los primeros religiosos y militares españoles que...

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...

Aligned with school learning programs, Little Issue is an educational magazine that introduces children to science, helps them learn to read, and raises awareness about disabilities and genetic diseases. Little Issue is intended for children aged 6 and up. It is published quarterly. In South Africa, the English version is distributed free to partner schools. Little Issue is also available in French and Spanish, distributed free of charge in schools and to hospitalized children.

Historietas de humor que reflejan las situaciones divertidas y absurdas de la relaciones entre hermanos.