¿Qué fuentes debo usar?: Fragmentar el problema (Which Sources Should I Use?: Breaking Down the Problem)

Mars is perhaps the most thrilling planet these days. With rovers exploring its surface and manned missions in the works, people are wondering if Mars is our next home! In this highinterest book, readers will learn more about Earth's neighbor, including what its climate and surface are like, why it's called the Red Planet, and about the recent discovery of water on its surface. They'll learn all this while solving "Your Mission" math problems that complement and support the text. This motivating volume is an engaging way to explore key aspects of science and math curricula.

Con una voz íntima que modula sobresaltos y nebulosas, Ana María Matute nos enfrenta a las experiencias de un grupo de jóvenes, casi niños, a quienes la guerra civil ha despojado de cualquier resto de su anterior universo infantil. El escenario escogido es una Barcelona de soldados y mujeres mal pintadas, de refugiados y mendigos, de gentes ocultas que intentan sobrevivir día a día en medio de los escombros, la luz blanquecina de los reflectores, los bombardeos y la amenazada espera. Pero más allá de un tiempo y un espacio concretos, el propósito de la escritora es presentar a unos...

¿Sabías que Marte parece una estrella roja brillante? A menudo se lo llama el Planeta Rojo. Descubre más cosas en Marte, uno de los libros de Los planetas. Did you know that Mars looks like a bright red star? It is sometimes called the Red Planet. Find out more in Mars, a Planets book.

Do you have something to celebrate? You can celebrate by making papel picado! Featuring vibrant step-by-step photo instructions, this Spanish-translated, nonfiction book helps introduce children to another culture through craft-making and designs.