Unidades de carga en el transporte

Describes the Boston Tea Party, including the events leading up to the party, its immediate effects on American-British relations, and why it is still an important event today.

Color photos and easy-to-read text five a realistic insight into the typical working day of an on-the-job zookeeper.

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther.

In this poetic memoir, which won the Pura Belpré Author Award and was named a Walter Dean Myers Award Honoree, acclaimed author Margarita Engle tells of growing up as a child of two cultures during the Cold War. En este poético libro de memorias—ganador del premio Pura Belpré de autor, finalista del premio de YALSA de no ficción y premio de honor Walter Dean Myers—la aclamada autora Margarita Engle recrea su infancia, que transcurrió a caballo entre dos culturas durante la Guerra Fría. Margarita is a girl from two worlds. Her heart lies in Cuba, her mother’s tropical island...