Valores sociales

Examines the nature of human rights, including the gradual development of the idea that all people, regardless of gender, color, or wealth, are citizens with rights, not just subjects with duties, and discusses the growth of social rights and the case against torture.

Posing questions which range from the most unusual matters to the most elementary ones, Questions that make your hair stand on end 2 focuses on the Earth and the Sun. Readers will be able to entertain themselves with very illustrative experiments and will also get to know what is so special about the Eiffel Tower, who Diogenes was, why Magellan lost a day on his way, why we get goose bumps, how can temperature be measured with a cricket, among other curious facts. In addition to the recognition of critics and readers, Questions that Make Your Hair Stand on End 2 was awarded the Premio...

How do we learn about the world around us? One good way is to use our senses. Our senses give us five different ways to explore the world. But how do they do that? Read this Spanish-translated book to find out!

Real Kids ReadersTM are phonics-based beginnning readers that feature full-color photographs of real kids!

Si te cuelas entre las páginas de este libro corres el peligro de volar a lomos de un dragón, servir de conejillo de indias en una escuela de magia.... Y en cuanto te descuides sufrirás el ataque a traición de sumas y restas (¡de hasta tres cifras!)