Enigmas de la ciencia

"Dino" Don Lessom brings readers face-to-face with various dinosaurs, detailing how they lived, raised their young, and became extinct. Maps, timelines, and colorful illustrations and photographs will capture kids' attention. A dinosaur expert, Don Lessem has written more than 30 children's books.

It is the third Monday in January and school is closed. But do you know why? It's Martin Luther King Jr. Day. Turn the pages of this book to find out what dream Dr. King shared with the world, who Mohandas Gandhi was, how one brave woman helped Martin Luther King Jr. change history. Each book in the Holiday Histories series describes one of America's holidays or special days. Explore the history of each day and learn the real reason why it is important. Discover what special meaning each day might have for you.

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.

Más de 70.000 mujeres cada año son engañadas y sometidas a esclavitud sexual sólo en Europa. Este es un dato extraído de los periódicos, pero en esta novela todas esas mujeres se resumen en Polina, una adolescente nacida en Moldavia cuyas ilusiones comienzan a desmoronarse en un tétrico sótano de Estambul. Muy lejos de los sollozos de la pequeña, la historia comienza con la desaparición de los cinco gatos de la viuda Hergueta en un barrio residencial de la periferia de Madrid. Los vecinos rusos resultan los primeros sospechosos, ya que su actitud es huraña y misteriosa. Gracias a...