Primeros Ejercicios de Calculo

Un libro completo sobre el cuerpo humano donde se explica, de manera gráfica y detallada, cómo funciona esa maravillosa máquina que es el cuerpo humano y la complejidad de la mente. Una práctica herramienta para llegar a una mayor comprensión sobre las motivaciones de los actos.

Think there's just one fairy tale with an overworked girl and wicked stepsisters? Think again! Cultures all around the world have their own Cinderella stories. Visit Canada, China, Egypt, and France, and find out whose "glass slippers" are made of red silk, and whose "fairy godmother" is a fish. Fully translated Spanish text.

Reassuring and supportive, this book helps preschool and primary children learn concrete social skills for anger management and discover that when they cool down and work through anger, they can feel peaceful again. The English-Spanish editions from the popular Learning to Get Along series help children learn, understand, and practice basic social and emotional skills. Real-life situations and lots of diversity make these read-aloud books appropriate for homes, childcare settings, and primary and special education classrooms. Presented in a social story format, each bilingual book includes a...

The crustacean subphylum can be broken down into decapods, amphipods, copepods, and other types. This title offers readers from grades one through four comparisons between the needs and roles of different crustaceans, which will allow readers to understand the subphylum’s importance. Readers will recognize and expand their knowledge about familiar species like the lobster and the shrimp, while being introduced to the likes of the wood louse and zooplankton. Dynamic photography and methodically organized information will help readers examine the many sizes, types of limbs, and other features ...