El Circulo de las Calabazas

Dentro de una atmósfera inquietante, una adolescente madura en torno a los días muertos del verano que pasaba en una vieka casona de familia.

Black holes are neither holes nor black. They're invisible and packed with matter! Future astronomers will find out many more fascinating facts about these space phenomena with this intriguing book. Carefully crafted text encapsulates the most important information about black holes, such as how scientists locate them and their significance in a star's life cycle. Amazing photographs support critical concepts and inspire a true appreciation of the spectacles of space.

Learn multiplication on a fun-filled trip to the supermarket! The displays, shelves, and layout of a local grocery store provide ample opportunities for students to learn multiplication as they are engaged in reading high-interest content. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. The full-color images, math graphs and charts, and practice problems make learning math easy and fun. The table of contents, glossary, and index will further understanding of math and reading...

Abby, Brit, Christine y Sasha están hartas. La preparatoria Hazelton nunca tiene suficientes tampones. Ni toallas. Ni adultos dispuestos a escuchar. Cansadas de una administración que antepone el futbol americano a la salud femenina, las chicas se enfrentan a un mundo que se encoge de hombros —o peor, se retuerce—, ante la posibilidad de una revolución menstrual. Este grupo de amigas se une para lograr un cambio. No es una tarea sencilla, especialmente mientras lidian con otros problemas como la clase de Trigonometría, amores no correspondidos o la competitividad del equipo de...