Productores y consumidores (Producers and Consumers)

In this Spanish title, learn about what makes endangered jungle animals so unique and why they need to be protected.

In this Spanish title, learn causes of extinction and what problems extinction causes for animals, wildlife, and humans alike.

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.

Discusses the role of the gases surrounding Earth and the relationship of the atmosphere to weather. Presented in English and Spanish.

Prepárate para conocer los datos más curiosos sobre ciencia, historia y naturaleza, y hazlo con mucho humor y todo el rigor de National Geographic. ¿Por qué necesito comer? ¿Por qué juegan los animales? ¿Por qué eran comunes las pirámides en el mundo antiguo? ¿Por qué las pelotas de fútbol americano no son redondas? En este libro, encontrarás más de 1 111 fascinantes respuestas a preguntas sobre cosas que todos los niños quieren saber. Desde el clásico «¿por qué el cielo es azul?» hasta cuestiones más insólitas, como «¿por qué es imposible cavar un hoyo que atraviese...

Presents the mystery of UFOs, including current theories and famous sightings. Written in English and Spanish.

Discusses the various features of Australia, including its climate, mountains, rivers, lakes, animals, vegetation, coral reefs, flightless birds, population, and cities, and history of the Aborigines.