El Pacto Del Mayflower /

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

The Uses Of Wind Energy Is The Topic Of This Book. Explains The Positive And Negative Impact This Form Of Energy Can Have On Our World.

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.

In My Friend Has Down Syndrome, beginning readers are introduced to different characters who have Down syndrome, how Down syndrome may affect their actions, and how we can be good friends to people who have Down syndrome. Vibrant, full-color photos and carefully leveled text engage young readers as they discover how to empathetic and inlude all kinds of friends.

Humans and animals can also make a great team working together. See how horses and the officers who ride them work together to keep our streets safe.

¿Qué significa migrar? Descubra qué animales migran y por qué migran a través de fotografías detalladas y texto simple. What does it mean to migrate? Discover which animals migrate and why they migrate through detailed photographs and simple text.

Tres años después de sus andanzas en Quinteto de Buenos Aires, vuelve Carvalho. Y también vuelve Charo con la intención de orientar el futuro del detective. A pocos meses del final del milenio, Carvalho vive una historia de amor, sectas, espionaje y muerte. Convocado para seguir un curso de espía y reclamado por una extraña mujer que le envía faxes, primero enigmáticos, luego enamorados, Carvalho convive con la sospecha de que ha sido elegido para una finalidad que no puede controlar. Bajo el peso del eterno diseñador del mundo, el poder del dinero, el detective hace suya la ansiedad ...