Señor, líbrame de mis padres

Introducing chemical and biological concepts, this book explains what occurs in the body when a person plays, trains, or participates in an athletic event and allows the reader to understand that sports are not only a question of muscles, but of lungs, bones, chemical reactions, intelligence, and, naturally, a lot of heart.

Biography of Benjamin Franklin, a great American inventor, statesmen and diplomat as well as one of the founding fathers of the United States of America. In graphic novel format.

With a direct tone and based on testimony, questions, real emotions, and inquiries, this book advises adolescent young men on several different topics: muscles, sports, women, acne, humor, the Internet, music, jokes, money, risks, and protection, among others. A book filled with information, practical ideas, modern tips, and illustrations, it has the added benefit of being endorsed by professionals specializing in each of the subjects it covers. Con un tono directo y sin prejuicio, este libro surge de testimonios, preguntas, emociones e inquietudes reales, intentando orientar y dar respuesta...

Land has many different characteristics. It can be hilly, rocky, grassy, narrow, and dry. Or, it can be flat, smooth, sandy, wide, and wet! This Spanish book introduces students to the concept of landforms. With images that are easy to identify and clear, simple sentence structures, this science reader simplifies scientific concepts for young students as they improve their reading skills. A fun and easy science experiment and Your Turn! activity provide more in-depth opportunities for additional learning. Nonfiction text features include a glossary and an index. Engage students in learning...