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.

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these feathered dinosaurs face to face: The Caudipteryx had feathered arms and a tail that looked like a pom-pom! The Sinovenator may have used colorful feathers to attract a mate! The Microraptor may have used its feathers to glide...

Caja que contiene 16 pequeños libros en los que se cuentan las cosas que le gusta hacer a un niño: pasear con el perro, salir de merienda, tener peces, mirar por la ventana, etc. En cada libro el niño descubrirá una sensación táctil diferente.

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This Spanish biography provides firsthand accounts of history that give personal insights into historical events. This primary source book focuses on the lives of famous Californians including John Muir, Dorothea Lange, Sally Ride, and Cesar Chavez. Learn about California’s history while building reading comprehension and social studies literacy. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time ...

An elegantly illustrated collection of ten favourite Bible stories with an interesting twist. Margaret McAllister imaginatively retells these tales from the point of view of the women involved: Noah's wife, Miriam, Ruth, Mary mother of Jesus, Pilate's wife, Mary Magdalene are among some of the women who put their side of the story forward. A stylish compilation of Bible stories with a difference, this is a perfect gift for girls.