Criptología digital (Digital Cryptology)

Este volumen contiene ideas para que te conviertas en un elegante reloj de pie, en una simpática calabaza de Halloween, en un barco transatlántico o en un apetitoso plato de espaguetis, entre otros muchos objetos cotidianos que pueden resultar disfraces muy originales. El libro contiene 12 propuestas distintas, explicadas ?paso a paso?, más algunas posibles variaciones. Asimismo, se incluyen trucos, consejos y plantillas que facilitan la realización de cada idea.

Biddy Mason's life began as an enslaved person, but she became a successful nurse, midwife, and land owner. She left behind a legacy of caring and charity and influenced Los Angeles’s history. This Spanish biography builds reading comprehension and social studies literacy. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their grade level. Packed with information and primary source maps, images, and documents, these books are perfect for reports or projects. The Read ...

Whose Tail is This? Spanish Edition. Animals’ tails are all different shapes and sizes. Some animals have tails that are wide, or strong, or curly. Some are white, and some have stripes. One tail is very beautiful – which one is it?

Introduces young readers to the number two with simple text and photographs of items in groups of two.