Mujeres en las fuerzas armadas (Women in the Military)

Advances in science have changed our world, all thanks to the scientists behind important discoveries. Some of the most important discoveries have come from female scientists, who were as unique for their work as they were for being trailblazers in a male-dominated industry. This text offers a biographical treatment of such important scientists as Marie Curie, Rachel Carson, and Jane Goodall, as well as others who have made it possible for women of the future to have a career in science. Age-appropriate text, fact boxes, historical and modern images, and a comprehensive timeline complete the...

Un chiquillo inmigrante, que se busca la vida vendiendo periódicos, se topa en varias ocasiones con un hombre que sale cada día a pasear con sus perros. Una noche el niño aparece en un portal consumido por la fiebre, y el hombre decide hacerse cargo de él. Así comienza una historia que se va complicando a medida que se descubre que el chico había estado en manos de una banda de delincuentes que, según se sospecha, se dedica a distintas actividades criminales, entre ellas la pedofilia y el tráfico de órganos.

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

Una guía completa de los dinosaurios fundamentales de Argentina y el sur del planeta, ilustrado y a todo color. Los dinosaurios más famosos de nuestro país, estrellas de la paleontología, ahora a tu alcance en este libro. Animate a descubrir todo sobre los animales que vivieron acá antes que nosotros.

Learn about the Victorian era while building your knowledge of equivalent fractions! Students will learn fractions while engaged in reading about the innovations of the Victorian era. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts make learning math easy, practical, and fun. The Explore Math sidebars and Math...