La proclama de emancipacion

Follows the Thirteen the Amendment that freed the slaves, end of the war, and the death of President Abraham Lincoln.

Young students will be enthralled with compelling portraits of famous figures who devoted their lives to improving the world. Includes historical photos and illustrations.

Solar Energy Is Explained. Included In This Book Is Where It Comes From, Who Uses It, And The Positive And Negative Benefits Of Using It. Correlated To Common Core, Texas TEKS, Virginia Sols, And Georgia Performance Standards.

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

Este libro intenta indagar sobre las garantías de aquellos compuestos que se consumen para mantener o mejorar la salud. Por un lado, describe los fundamentos detrás del desarrollo de agentes terapéuticos descubiertos mediante la metodología científica, y la complejidad que rodea su síntesis, análisis y controles efectivos para su puesta en circulación en el mercado. Por el otro, cuestiona la legitimidad de las afirmaciones acerca de los beneficios de los productos naturales o ecológicos, denominados nutracéuticos, que se nos ofrecen como suplementos de alimentación y la salud. El...

A compendium of fascinating facts about more than 100 different animals, this educational trivia book answers questions such as What purpose does a pelican's pouch serve? Which animals carry their young in a pouch? and Are electric eels really dangerous? Un compendio de hechos fascinantes sobre m�s de 100 animales diferentes, este libro de trivialidades contesta preguntas como �Qu� prop�sito tiene la bolsa del pelicano? �Cu�les animales llevan a sus cr�as en una bolsa abdominal? y �Son las anguilas el�ctricas peligrosas?

Acompaña a los prehistóricos amigos Rocky, Bill, Mazu y Tiny mientras exploran Cretacia y viven aventuras llenas de diversión que los acercarán a ¡GIGANTOSAURUS! Todas las historias están pensadas para leerse con facilidad en voz alta en cinco minutos o menos, por lo que cualquier momento es perfecto para Gigantosaurus.

The I Want to Be... series gives young children a realistic insight into the working day of adults. Easy-to-read captions and color photographs of women and men from different cultures help children understand what's involved in each occupation. Young readers learn to respect the importance of doing a job well and appreciate the contributions these workers make to our life and the world around us. These books are perfect for reading alone or in group story times. They are certain to spark questions and encourage dialogue and prompt children to learn more about these occupations. Quiero ser...