El Pacto Del Mayflower /

Follows the life and career of the French scientist who proved the existence of germs and their connection with diseases.

Defines pulleys, explains their functions, and suggests simple experiments to demonstrate how they work.

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

Popular Holidays Throughout The Year Are Highlighted For The Emergent Reader With Engaging Text And Matching Photos.

Yoro es el testimonio inaudito de una mujer que no está dispuesta a aceptar el destino trágico que le ha sido impuesto. Una novela que convierte la tragedia en una suerte de salvación. Un libro que cuenta la historia de una mujer que lucha contra el mundo, y de cómo consigue, y a qué precio, su victoria final

This bestselling title in the highly acclaimed SeeMore Readers series is now available in Spanish. The same fascinating content as SUPER STORMS.

Readers learn the basics of caring for common household pets, from physical features, to behavior, to diet. Also explored is how the animal's natural habitat differs from the habitat provided in the home.