Piedra de toque

Arsenio Colinas es un ladrón de guante blanco que actúa sin emplear la violencia. Su última víctima es la condesa de Tellington, una anciana mujer muy rica poco merecedora de su fortuna, a quien acaba de robarle sus joyas más valiosas conocidas como “los instantes perfectos”. Pero la inteligente nieta de la condesa, Cecilia, se cruzará inesperadamente en el camino de nuestro ladrón. Juntos descubrirán que las joyas robadas tienen un valor personal incalculable.

La naturaleza está llena de innumerables criaturas salvajes, extrañas y maravillosas, de todas las formas y especies. Cada animal se ha adaptado para sobrevivir en su entorno particular. Cada ser vivo desempeña una función única e importante en nuestro planeta. Sorpréndete con esta divertida recopilación de los animales más inútiles (¿o no?) del mundo.

This Spanish-translated biography introduces readers to Jackie Robinson, the first African American to play Major League Baseball for the Brooklyn Dodgers. Featuring lively images and inspirational text in conjunction with a helpful glossary, index, and timeline of Robinson's life, this title will engage readers as they read about Jackie's life as a college athlete, his start in the Negro League, his stand against segregation, and how he became the first person to ever get named Rookie of the Year. This 6-Pack includes six copies of this title and a lesson plan.

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!