La vida secreta de las serpientes

Beautiful illustrations translate into suggestive images the two faces of the sea?the calm and the wind?enabling children to understand the meaning of the words themselves.

From the largest cargo planes and passenger jets to the smallest of single-engine crafts, airplanes are modern marvels. But just how do people build planes and what keeps them safe in the air? This exciting book takes readers inside the hangars where bolts and metal are turned into winged creations ready to take people all around the world. Amazing photographs show the aircraft construction process step-by-step, while engaging text gives a strong technical explanation of the science at work during every flight in this innovative STEM book.

In each book in this series, a boy speaks about one of four dinosaurs. The text stimulates the reader’s imagination and considers the characteristics of each dinosaur, highlighting the features that distinguish it from the others.

It was known as the age of the dinosaurs, but other fascinating creatures roamed the Earth at the same time. Learn about lesser-known animals from the prehistoric era that are no less fascinating! Students will be engaged in reading about ancient animals like Gigantopithecus, Titanoboa, Megalodon, and more as they develop their skills at reading and writing numbers. This Spanish math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, intriguing sidebars, practice problems, and math diagrams make learning ...