Por qué los camellos tienen pestañas largas?

A foundered Victorian ship looking for the fabled Northwest Passage holds a secret in its icy grave... When Dirk Pitt of NUMAr is almost blown to pieces in a lab explosion, he suspects sabotage. The lab in question belongs to a scientist hoping to use a rare mineral to combat greenhouse gases - but who would want to destroy our one chance to save the planet? However, there are those who will do anything to control such a valuable prize. Pitt's investigations take him to the Arctic in search of a clue to the origins of this precious mineral. There he and NUMAr colleague Al Giordino must battle ...

Junípero Serra was an influential Franciscan missionary who created missions that stretched from San Francisco to San Diego. His impact on California is still felt-and debated-today. Introduce students to his life with this nonfiction biography that builds students' reading skills and promotes social studies content literacy. The dynamic primary source maps, letters, and images provide authentic nonfiction reading materials and keep students interested in learning. Text features include a glossary, index, captions, sidebars, and table of contents. This book connects to California state...

Learn how streets are fixed, sidewalks get added, and new schools are built with this Spanish nonfiction book. Perfect for young readers, the book includes a fiction story related to the topic, a glossary, an additional project, useful text features, and engaging sidebars. This 28-page full-color Spanish book describes the many ways individuals can make changes in their communities. It also covers essential civics topics such as leadership and voting, and includes an extension activity for grade 2. Perfect for the classroom, at-home learning, or homeschool, to explore voting, local...

La técnica y los secretos de un gran maestro del dibujo al alcance de todos. Horas de diversión y creatividad. Uno de los mejores ilustradores de Estados Unidos pone a nuestra disposición algunos de los trucos que ha aprendido a lo largo del tiempo en el terreno del dibujo. Este libro muestra paso a paso cómo realizar divertidos personajes. Basta comenzar con una forma simple (un óvalo, un cuadrado, etc.) e ir agregando algunas líneas también muy simples. El resultado es sorprendente. La obra demuestra hasta qué punto uno puede realizar divertidos dibujos sin necesidad de ser un...