El Misterioso Mundo de los Códigos Secretos

The Callender brothers, members of the Bloodhound club, possess a great curiosity and adventurous spirit. When their father is elected director of an exhibition in Paris, they are delighted to spend a vacation there. Though when they arrive, they come to find that the Seated Scribe, the masterpiece of the exhibition, is nothing more than an imitation. Los hermanos Callender, miembros del Club de los sabuesos, tienen una enorme curiosidad y un gran espíritu de aventura. Cuando su padre es elegido director de una exposición en París, están encantados de pasar allí unas vacaciones..., que...

During the XVII and XVIII centuries, there were great thinkers who risked their freedom and their lives over their revolutionary ideas. Take a look at the philosophers that were the pillars of both modern thinking and science: Galileo, Hobbes, Newton, and many more. They dared to question the norm.

Advances in science have changed our world, all thanks to the scientists behind important discoveries. Some of the most important discoveries have come from female scientists, who were as unique for their work as they were for being trailblazers in a male-dominated industry. This text offers a biographical treatment of such important scientists as Marie Curie, Rachel Carson, and Jane Goodall, as well as others who have made it possible for women of the future to have a career in science. Age-appropriate text, fact boxes, historical and modern images, and a comprehensive timeline complete the...

Take a trip around the world and learn about the Earth’s different climate zones! Students will learn the difference between climate and weather, and study the characteristics of low-latitude, mid-latitude, and high-latitude climates. This nonfiction Spanish book teaches students important scientific concepts and vocabulary terms as they learn about tropical rainforests, savannas, deserts, grasslands, taiga forests, deciduous forests, and tundra. The colorful images, diagrams, sidebars, and text features will keep students connected to the text. Aligned to state and national standards, the...

A biography of Cesar Chavez, from age ten when he and his family lived happily on their Arizona ranch, to age thirty-eight when he led a peaceful protest against California migrant workers' miserable working conditions.