Cómo funcionan los ecosistemas

Los trucos de Nikki para triunfar patinando sobre el hielo. #1: Busca una motivación importante para patinar. #2: Haz equipo con tus mejores amigas, Chloe y Zoey . #3: Mantén alejada a la odiosa Mackenzie. #4: Asegúrate de que sabes patinar. A Nikki Maxwell no le sorprende descubrir que su amor platónico, Brandon, es voluntario en un refugio de animales local. Él es un chico dulce - ¡por supuesto que quiere ayudar a esos perritos adorables! Pero Brandon le cuenta que el albergue está en peligro de ser cerrado, y Nikki sabe que no puede dejar que eso suceda. Así que Nikki y sus amigas...

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 small dinosaurs face-to-face: Little Lesothosaurus was the length of a house cat! Epidendrosaurus could climb into trees like a squirrel! Liaoceratops had body armor and horns-and was only the size of a collie dog! Plus,...

What do you do if you find yourself stranded at sea? This useful Spanish-translated nonfiction book gives readers the information they need in order to survive at sea. With essential tips and instructions, helpful diagrams and images, a bibliography, and a list of other useful websites, readers will learn everything they need in order to survive--from the dangers of hypothermia, what to do if there's only saltwater available, and other useful survival skills.