Planetas rocosos: Mercurio, Venus, la Tierra y Marte

Ser cortés, tener buenos modales, y mostrar bondad a los demás es el tema de este libro. Da a diferentes situaciones y circunstancias en las que la cortesía es importante.

Written in a lively rhyme, I Will Not Be Afraid addresses children's fears - such as the dark, storms, and current events - and explains that God is in full control as He promises to work good through all circumstances in the lives of His children.

How do you truly engage students in learning history? When students make personal connections to the subject, they’re much more motivated to learn. This primary source book provides firsthand accounts of history that give students personal insights into historical events. Learn about California’s history during the 20th century with this Spanish book that builds reading comprehension and social studies literacy. With a visually appealing layout, this book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts they need to know at their ...

Se desarrolla, paso a paso, el calculo de 26 problemas de navegacion astronomica, ortodromica y cinematica naval para el interesado en situarse durante la navegacion oceanica mediante las referencias que ofrecen para ello los astros del firmamento. Sin duda la "navegacion a la antigua" debe ofrecer al interesado diversion y entretenimiento y no ser una tecnica cotidiana de navegacion, pues para ello se ejecuta en la actualidad una sofisticada navegacion instrumental.Se corresponde el contenido del libro con el temario actual de las asignaturas de calculo y navegacion para aquellos marinos que ...

This award-winning beginner's guide to the natural world of fish from the creators of the About... series was named an "NSTA Recommends" book. Noted educator and author Cathryn Sill uses simple, easy-to-understand language to teach children the basic characteristics of what fish are, how they swim, breathe, and reproduce, and explains the different ways they protect themselves from predators. With beautifully detailed, realistic paintings, noted wildlife illustrator John Sill introduces readers to the diversity of the fish population, from an Arctic char to a porcupine fish. An afterword...