Corre A Tu Casa Arana! / Hurry Home Spider!

A little polar bear wonders who might be in various hiding places, in this book with fold-out flaps that reveal hidden people and animals.

Discover Dinosaurs Spanish Edition. Dinosaurs were reptiles that lived millions of years ago. It was a long time before there were any people on the earth. Scientists have looked at dinosaur bones and found out many things about what they were like. Nobody knows why the dinosaurs disappeared. People have made pictures to show what they might have looked like. What do we know about dinosaurs?

Learn how light pollution prevents us from seeing the stars and causes other problems as well. This Spanish book features a hands-on STEAM challenge that gives insight into how the engineering design process is used to solve real-world problems.

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, and who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

Dos historias que tratan sobre el amor maternal, y sobre los momentos importantes que se dan en una relación familiar en las diferentes etapas de la vida. Una de ellas sigue la secuencia normal de un libro, de izquierda a derecha y de adelante hacia atrás. La otra se cuenta al revés, es decir, de derecha a izquierda y de atrás hacia adelante.