Yo y la filosofía

¿Dónde puedes encontrar el color azul? ¿Tiene algún significado especial este color? Los jóvenes lectores aprenderán a identificar objetos azules y los lugares donde aparecen en Azul, uno de los libros de Los niños y la ciencia: Colores. Where can you find the color blue? Does this color have any special meanings? Young readers will learn to identify blue objects and the places they appear in Blue, a Science Kids: Colors book.

Describes jet-powered hydroplane boats, including information on their design and speed. Written in English and Spanish.

Readers will discover what you can do at a post office, such as buying stamps, checking a PO box, and sending a letter. This book's easy-to-follow narrative makes it perfect for beginning readers. A photo glossary offers new vocabulary, while a website link page suggests routes to more information.

Mysterious ancient ruins, hidden deep in the jungle of southern Mexico In May 1840, explorers John Stephens and Frederick Catherwood road their mules along a steep, muddy jungle path. They were hoping to find the ruins of an ancient, deserted site in Mexico they knew only from visitors’ accounts. Through the trees, they spied the remains of a crumbling stone palace. Palenque! In the weeks they spent there, the men discovered intricately designed buildings and mysterious glyphs, or symbols. Who built this city? What did the glyphs mean? The questions remained largely unanswered until the...