Agujeros negros (Black Holes)

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.

A closer look at the stomach and how it works with the digestive system to give the body the nutrients it needs to stay healthy.

'No Means No!' is a children's picture book about an empowered little girl who has a very strong and clear voice in all issues, especially those relating to her body and personal boundaries. This book can be read to children from 3 to 9 years. It is a springboard for discussions regarding children's choices and their rights. The 'Note to the Reader' at the beginning of the book and the 'Discussion Questions' on the final pages, guide and enhance this essential discussion. It is crucial that our children, from a very young age, are taught to have a clear, strong voice in regards to their...

Esta primera novela de Fernando Claudín es un relato breve pero de una intensidad y hondura tales que sobrecogerá al lector y lo hará reflexionar sobre algunos de los grandes problemas pendientes de nuestro tiempo.

Para quien encuentre este libro, mi nombre es Dipper Pines, ¡y traigo serias advertencias acerca de un pueblo lleno de horror, misterio y sucesos sobrenaturales! Para sobrevivir, escribí esta guía con tips y trucos para lidiar con rarezas. Y hablando de rarezas... ¡HOLA! ¡SOY MABEL! Dipper me prometió que, si dejaba de brincar en su cama, ¡me permitiría ayudarle con su libro! Tengo unos tips INCREÍBLES, por ejemplo, cómo comer lo que se supone que no debes, tejido de supervivencia de contacto total, ¡y cómo hacer tu propia mascota de papel! ¡Guau! Mabel, ¡estás arruinando mi...