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A New York Times best-seller and winner of the ABBY Award features lavish illustrations of Native American settings and shares Chief Seattle's environmental message for "helping preserve what is being lost."

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...

As a land that’s constantly in flux, Earth sometimes reveals clues about the plants, animals, and other organisms that lived long ago. Fossils teach us much about what life was like millions of years ago, answering the questions of how Earth changed and maybe even why it changed. This essential Earth science topic is thoroughly explained through manageable text, fact boxes, informational charts and diagrams, and a glossary and index. Readers will become young Earth detectives by the time they’re through with this text!

¿Sabías que a Las Ratitas les encanta jugar con la nieve? Por eso sus padres deciden aprovechar las vacaciones de invierno para llevarlas a un lugar superespecial: el Pueblo de la Nieve. Está en una montaña y es famoso por sus esculturas de hielo y su concurso de muñecos de nieve. Ahí, Claudia y Gisele vivirán una aventura llena de acción y de magia. ¿Quieres saber lo que les ocurre a Las Ratitas en la montaña nevada? ¡No esperes más y léelo ya!