¿Qué Son Los Bienes y Servicios? (What Are Goods and Services?)

En 2007, una editora recibe un paquete remitido por alguien que se hace llamar Comte de Ville, y que desea permanecer anónimo. Se trata de un dossier encontrado entre las pertenencias de Bram Stoker, que han sido subastadas y han circulado de mano en mano. El dossier consta de una serie de cartas, documentos y recortes periodísticos, y del diario personal que Stoker escribió durante el año 1888. El lector irá descubriendo poco a poco que el dossier puede ser la respuesta a las preguntas aun abiertas sobre la siniestra figura de «Jack el Destripador», y que la clave del asunto la tenía ...

Read Along or Enhanced eBook: From hermit crabs that make a home out of anything they can find to tiny termites that build tall towers, animals of all kinds are architects! In this engaging, Spanish-translated nonfiction title, elementary children will learn about these amazing animal architects and the things they build for habitation and camouflage through vivid images, stimulating facts, informational text, a helpful glossary, and a reference list of useful websites.

"Simple text and color photographs introduce temperature, including how thermometers work and the Celsius and Fahrenheit scales--in both English and Spanish"--

So you think you're a martial arts master, but do you know the difference between kung fu, kendo, and karate? Students will learn about various martial arts as they practice comparing numbers. This nonfiction math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make learning math relevant and fun. Text features include a table of contents, glossary, and index to increase understanding of math and reading concepts. An in-depth problem-solving...