Harriet Tubman

What did people use to buy things before money was invented? Where is money made? Find out in this inviting book that informs readers about coins, paper money, the Federal Reserve, exchange rates, and checking accounts. Featuring a timeline of money's history, detailed photos, stimulating facts, clear, informational text, and a glossary that will assist in improving vocabulary, this Spanish-translated nonfiction title will keep readers engaged from cover to cover.

Act out the story of two cousins, the town mouse and the country mouse in this Spanish-translated script. When the country mouse visits the town mouse, the two get into all sorts of trouble. The mice just want to feast on a family's leftovers, but a hungry dog and cat find them and start to chase them around. Before long, the country mouse wants to go back to his peaceful home in the country and learns that there really is no place like home! The six roles in this script match different reading levels, enabling teachers to use differentiation strategies in their instruction. These strategies...

Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.

Read Along or Enhanced eBook: Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.

"El rico contenido y las llamativas ilustraciones de Mi biblioteca de ciencias, despiertan en los lecotres gran interés por la ciencia y los procesos científicos. La serie incluye datos interesantes sobre: la Tierra, el sistema solar, la materia, la energía, la fuerza y el movimiento, y la vida en nuestro planeta. ¡Por fin resulta divertido aprender sobre la ciencia!,"--page [4] of cover.

Material para el alumno que sirve de apoyo al libro del alumno, para afianzar los conocimientos adquiridos en dicho libro. Ofrece una serie variada de ejercicios de refuerzo.

El joven Von Neumann y la ciencia europea de principios del siglo XX. Von Neumann y las matemáticas en Gotinga. Su pensamiento científico. En los Estados Unidos. La actividad científica en los años cuarenta y cincuenta. Von Neumann y la ciencia del siglo XX.

La lluvia amarilla es el monólogo del último habitante de un pueblo abandonado del Pirineo aragonés. Entre «la lluvia amarilla» de las hojas del otoño que se equipara al fluir del tiempo y la memoria, o en la blancura alucinante de la nieve, la voz del narrador, a las puertas de la muerte, nos evoca a otros habitantes desaparecidos del pueblo, que lo abandonaron o murieron, y nos enfrenta a los extravíos de su mente y a las discontinuidades de su percepción en el villorio fantasma del que se ha enseñoreado la soledad. En el pueblo de Ainielle ya sólo quedan Andrés y Sabina. Poco a...