España, ayer y hoy + CD-ROM

Readers learn about the various animals that need help and what they can do to make a difference through volunteerism in this engaging book. Discover different programs and organizations that work to protect animals, animal habitats, and endangered species through vibrant images and charts and informational text. Featuring a list of helpful and useful websites, this Spanish-translated nonfiction title encourages readers to take part in animal activism in any way they can--from baking homemade dog biscuits to exploring careers that help sick or injured animals.

Esta obra es el resultado, principalmente, de los apuntes de Televisión utilizados en los cursos desde hace años han venido siendo actualizados de manera prácticamente constante. El material de la obra abarca los aspectos básicos relativos a los sistemas tanto analógicos como digitales.

California became a territory in the United States when the Treaty of Guadalupe Hidalgo was signed in 1848. That treaty ended the Mexican War. Several days before its signing, gold was discovered at Sutter’s Mill in what is now Sacramento. The non-Native population of the territory was less than one thousand in 1848, but the gold rush increased that number to one hundred thousand by the end of 1849. The gold rush not only made many people wealthy, it brought ecologic devastation while speeding up California’s statehood. This book richly explores this interesting history.

¡Los doctores saben muchas cosas sobre la salud y el cuerpo humano! Al examinar a los pacientes y recetar medicamentos, los médicos pueden averiguar qué está enfermando a una persona y cómo hacer que se sienta mejor. Ahora en español, este título involucra a los lectores jóvenes para aprender cómo los médicos sirven a su comunidad. Las preguntas de pensamiento crítico apropiadas para la edad y un glosario de fotos ayudan a desarrollar habilidades de aprendizaje de no ficción. Doctors know many things about health and the human body! By examining patients and prescribing medicine,...