Exploremos los minerales de la Tierra (Exploring Earth's Minerals)

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

Thomas Edison is considered by many to be one of the greatest inventors of all time. His creations changed the world, but there was more to his life than just his inventions. Readers of this engaging volume will learn all about the man behind the innovations. This fascinating biography introduces important subjects and encourages a further interest in history. Concise and accessible text paired with vibrant photographs is sure to captivate audiences of many ages and levels.

Übungsgrammatik für Deutschlerner, Niveau A1-B1. Mit Hörübungen als MP3 und interaktiven Übungen auf CD-ROM.

Diwali is a holiday known as India's "festival of lights." It gets its name from the lamps and candles that people light. Diwali is a time to give thanks. Read about this important holiday as you learn addition and subtraction! This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning arithmetic easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase...

Cartes de l'escriptor a la seva filla amb síndrome de Down. Un text excepcional sobre la condició humana i el respecte a la diferència.