Un cuadrado? Un rectángulo!

Tells the story, through graphic novel format, of Harriet Tubman and her life as a leader on the Underground Railroad.

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. This 6-Pack includes six...

This illustrated book introduces children to the constellations. It also provides a legend and the best time to be able to view for each one.

Tabula Gratulatoria. Introducción. I. Biografía. II. La ideas. III. Contenido y estructura de las Cartas de Relación. IV. Las Cartas de Relación y la historiografía de América. V. Manuscritos y ediciones. Noticia Bibliográfica. Bibliografía Selecta. Nota Previa. CARTAS DE RELACIÓN: Primera relación. Segunda relación. Tercera relación. Cuarta relación. Quinta relación. Variantes Textuales. Glosario. Índice de Láminas.