Silencio -Z

Provides a basic introduction to caves, including geographical information and plant and animal life.

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 debugging. 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 debugging works in the real world. In this book, readers will find out why a magnet isn't sticking to a certain surface. This nonfiction title is paired with...

"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 fast dinosaurs face-to-face: The Gallimimus could outrun a sandstorm! The Struthiomimus may have been the fastest dinosaur. It could run up to 60 miles per hour! The Liaraptor ran until it took off into the air! These may have...

La guerra que se extendió entre 1914 y 1918 fue conocida hasta el estallido de la Segunda Guerra Mundial (1939-1945) como la “Gran Guerra”, porque sorprendió a todos los contendientes por su magnitud. Comenzó siendo un conflicto meramente europeo, pero con el tiempo se convirtió en una guerra mundial en la que participaron también americanos, asiáticos, africanos o australianos y neozelandeses junto a los europeos. La guerra duró cuatro largos años en un enfrentamiento como la humanidad no había presenciado hasta entonces. Los países participantes se contaron por decenas, los...