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.

Completa biografia ilustrada del gran conquistador Alejandro Magno (356-323 a. C.), al que se ha descrito como "el personaje mas famoso de la antiguedad despues de Jesucristo." Incluye un riguroso y detallado analisis de los acontecimientos mas fascinantes del extraordinario reinado de Alejandro: su marcha hacia la India, sus encuentros con filosofos griegos, magos persas y santones hindues, etc. Contiene mas de 150 ilustraciones, entre las que destacan mapas, obras de arte y fotografias de tesoros y artefactos del momento.

Practice addition at the playground! This fun title, that has been translated into Spanish, uses examples from all around the playground to help children practice their addition and understand early STEM themes. Add up two blue swings and three red swings to get five swings! Add slides, rings, jump ropes, basketballs, and more! These familiar images work in conjunction with engaging "You Try It!" problems to encourage young readers to practice and improve their addition skills.

Un periodista investiga unos extraños asesinatos y descubre que están ligados a una profecía antigua de la cábala judía.

Do you have what it takes to be an athlete? Readers learn about the hard work and dedication that athletes of all levels go through to be healthy and successful. Along with stunning photos and charts and riveting facts, this Spanish-translated title includes an interview with a real-life Olympic athlete and an accessible glossary, index, and list of useful sources.