El sistema óseo (The Skeletal System)

Se narra el retorno del camino de éxito de un escritor. Una mañana la servidumbre lo encuentra muerto en su lujosa casa, y la novela discurre siguiendo las pesquisas de aquellos a quienes el escritor recibió la tarde anterior. Pero la investigación se bifurca, pues mientras el joven agente Héctor Álvarez sigue tras las huella del pelirrojo Alfredo Turia, escritor novel, y de la amante de Ignacio Sánchez, el escritor fallecdio, hasta Niza, donde continua la trama.

¿Qué se necesitará para enviar personas a Marte en los próximos 25 años? Los estudiantes aprenderán que la resolución de problemas es un componente esencial de la misión planificada de la NASA a Marte. Este libro en español combina habilidades matemáticas y alfabetización, y usa ejemplos prácticos del mundo real de resolución de problemas para enseñar matemáticas, artes del lenguaje y contenido STEM. Los estudiantes aprenderán a resolver problemas mientras leen contenido de gran interés. El glosario, el índice y la tabla de contenido mejorarán la comprensión de los...

Rights are things that make life fair for everyone. But sometimes people are treated unfairly. When this happens, we have to stand up for what is right. We have to become civil rights champions! This Spanish nonfiction book will teach students about civil rights, and introduces them to new vocabulary terms and concepts. Important text features include a glossary, index, and table of contents to engage students in reading as they develop their comprehension, vocabulary, and literacy skills. The Reader's Guide and culminating activity require students to connect back to the text as they develop ...

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...