Darwin y el gran cuento de los animales

La construcciOn de las pirAmides de Egipto es uno de los sucesos mAs importantes y mAs estudiados de la historia. AsI que nos metemos en la piel del FaraOn Keops y descubrimos sus sueNos de grandeza. En una civilizaciOn en sus albores, con pocos recursos tEcnicos y muchos recursos econOmicos y humanos.

Snowflakes are one of nature's most fascinating wonders. Learn how snowflakes form with this Spanish STEAM reader that builds literacy skills and features a hands-on STEAM challenge.

..".Tantos pensamientos la hicieron sentir extraña ¿Y si estoy loca? Bueno, estar loca no era tan malo, porque legalmente ello supondría el desconocimiento total de todas sus obligaciones. Pero si quería tomar esa premisa o afirmación como cierta (como su principio de vida), según su ex profesor de matemáticas, tendría entonces que demostrarla y para ello... "Antes de demostrar una teoría, primero debes delimitar y definir, el universo que va a ser puesto en estudio...." Visto así, ¿qué sería estar loca? Estar loca..." En una ciudad y un trabajo donde nada parece cambiar, Sandra, ...

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of simulations. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how simulations work in the real world. In this book, readers learn about American Revolution reenactment and how it simulates events from the past. This nonfiction ...

George W. Bush grew up in a prominent political family in Texas. After serving as Texas governor, Bush followed his father's footsteps in becoming President of the United States. This Spanish-translated biography allows readers to discover the life of George W. Bush and explore some of the impacts he made as president through acts like No Child Left Behind. Readers will also learn of the many unexpected challenges Bush faced, such as the al-Qaeda attack on September 11, 2001, the War on Terror, and the Iraq War. The engaging facts, vibrant images, and supportive text work in conjunction with...