Se que estas aqui/ I Know You're Here

Biología sin pérdida de tiempo, para maestros y alumnos con prisa, volúmenes I y II, son libros electrónicos creados por médicos y biólogos ampliamente calificados, que han dedicado su vida a la docencia y la investigación. La finalidad de estos libros es proporcionar al docente contenidos sintetizados del programa de biología, libres de información superflua o baladí. Además, incluyen un extenso banco de preguntas con respuestas de opción múltiple, que permiten preparar exámenes con sólo copiar y pegar los reactivos elegidos, así como calificarlos con mucha rapidez, lo cual...

María José grieves at the loss of her mother who died in childbirth. She has difficulty sharing her feelings with her father and the distance between them grows with the appearance of a new woman. Her father gets another job which forces them to move to another neighborhood. The new house is small, but is near an ice cream store owned by Mr. Beto. In the store, María José makes friends with girls and boys her own age, but also meets Mr. Beto and his friends. María José and her friends try to help Mr. Beto when he comes down with a sudden illness.

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...

Our toilets toil away for us every day. Yet, they get little thanks for their hard work! When you think of toilets, you probably picture one in your home. But, toilets can be very different around the world. At first glance, a toilet is a simple device, but they are critical for proper sanitation. There are many people worldwide who do not have access to a toilet. Let's dive into an exploration of the history, importance, and inner workings of toilets! This Spanish book combines math and literacy skills and uses everyday examples of problem solving to teach subject area content. The...