How Do You Measure Time?

Provides an overview of the design, uses, weapons, and equipment of U.S. Navy submarines. Written in English and Spanish.

Find out what sets the human life cycle apart from other living things in this informative, Spanish-translated nonfiction title. With intriguing facts, informational text, and vibrant photographs, children will be introduced to the biological phases of our life cycle--from infancy to adulthood.

Un líder asesinado, una duda, una locura ¿fingida?, una venganza. William Shakespeare estrenó Hamlet entre 1600 y 1602... ¿sigues pensando que los clásicos son cosa del pasado?

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.

Un alegre recordatorio de que de que todos los niños son únicos y especiales de la mano del creador de El punto. Reynolds recuerda a los lectores que sean pacientes, tenaces y honestos. ¡Porque en todo el mundo solo hay un TÚ! Naciste para SER muchas cosas. Por dondequiera que te lleve la vida, recuerda... Ser curioso... Ser intrépida... Ser paciente... Ser valiente... Y, sobre todo, no te olvides de... ¡SER TÚ MISMO!