La Sierra de la Demanda

Inhóspita alta montaña, íntimos bosques vírgenes, solitarias sierras y profundas y espectaculares foces, esta obra nos guiará por todos los rincones de uno de los espacios naturales más atractivos de la Península: El Pirineo Navarro.

El orgulloso Pico Urbión mira y contempla su privilegiado reino: el mayor pinar de la Península, las recónditas lagunas glaciares donde duermen leyendas de parricidios, misteriosas necrópolis en medio de las montañas, alocadas cascadas humedeciendo escondidos hayedos, perdidos valles de los que el ser humano ya se ha olvidado y fantasmagóricas esculturas de roca que cautivarán al caminante que aquí viene a soñar despierto.

The inspiring and timely story of Sonia Sotomayor, who rose up from a childhood of poverty and prejudice to become the first Latino to be nominated to the US Supreme Court. Before Supreme Court Justice Sonia Sotomayor took her seat in our nation's highest court, she was just a little girl in the South Bronx. Justice Sotomayor didn't have a lot growing up, but she had what she needed -- her mother's love, a will to learn, and her own determination. With bravery she became the person she wanted to be. With hard work she succeeded. With little sunlight and only a modest plot from which to grow,...

Rudy can't find his favorite sweater. He's looked everywhere: inside the house, outside, and in the apartments upstairs and downstairs. In the kitchen, in the bathroom, here, there . . . where could it be? This enchanting story has flaps, pages with cutouts, and numbers to count.

There are many steps in the nitrogen cycle that include difficult concepts and words: denitrification, prokaryotes, ammonia, and more. With the help of this understandable book, even struggling readers will grasp this cycle of nature. Low-level language, fact boxes, and an extended glossary provide readers with essential vocabulary explanations that allow them to further understand each step of the cycle. Full-color diagrams aid readers' comprehension as they move through the cycle from start to finish, and then around again.

Reptiles y anfibios is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.