Mujeres en las ciencias (Women in Science)

For thousands of years, militaries around the world were limited to male soldiers. However, throughout history, brave women have stepped out of the background and onto the battlefield. This biographical text covers the important women who’ve broken ground in the military. Famous historical figures such as Joan of Arc, Clara Barton, and Florence Nightingale are covered in depth, while the stories of modern-day heroes are presented to show how women are still affecting change on the front lines. A comprehensive timeline, fact boxes, and historical and modern images complete this...

Each year, Martin Luther King Jr. Day serves as a reminder of the life and work of one of America's greatest civil rights activists. In this informative book, readers will learn about the importance of the civil rights movement and why we celebrate Martin Luther King Jr. Day. Full-color photographs accompany the text. This essential book features accessible language that is ideal for children in the early stages of learning to read.

Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to the six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.

¿Por qué se lamentan los cuervos de Morrigan? ¡Solo los británicos con corazones que aman la verdadera libertad lo saben! En el año 43 d.C., la conquista romana de Britania parece inminente, hasta que un encuentro casual entre Prasutago, rey de los icenos y una esclava fugitiva de linaje real de la tribu hedua en la Galia cambia el destino de las islas británicas para siempre. ¡Sublévese por la libertad con la verdadera historia de Boudicca, la reina britana de los icenos y descubra una de las historias más inspiradoras jamás escrita! Basada en los relatos del historiador romano...

El adorable arte de Precious Moments cuenta la historia de la Pascua. Este libro de cartón acolchado de la marca Precious Moments hace que sea fácil compartir la historia de Jesús con los niños pequeños mientras les enseña el amor de Dios por ellos.