En los juegos del parque (At the Playground)

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, and who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

What does this Spanish-translated book, a table, and your big toe have in common? They are all solids! A solid keeps its shape and always has the same volume. Read this Spanish-translated book to learn about solids and how they are different from liquids and gases. This 6-Pack includes six copies of this title and a lesson plan.

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther.

Los refranes son fases que circulan entre los pueblos de modo oral y reflejan la sabiduría popular. Carlos Silveyra propone en este libro variantes divertidas de los refranes más conocidos, con remates y salidas inesperadas, propias de la picardía infantil. Este material surge de boca de los chicos de distintas latitudes de nuestro país y fue recopilado por el autor durante sus muchos años de experiencia docente.

Para Heinrich von Kleist (1777-1811) una novela consistía en la narración de un «acontecimiento inaudito», según la definición de Goethe. Sus personajes son héroes hamletianos sometidos a los imponderables del destino, enfrentados a situaciones límite que les plantean retos existenciales que surgen del caos. El presente volumen reúne toda la obra narrativa de Kleist: dos novelas cortas: Michael Kohlhaas y

La disputa entre los animales y el hombre es una pequeña obra maestra de la literatura árabe recogida en la Enciclopedia de los Ijwân al-Safâ; («Hermanos de la Pureza», secta filosófica del mundo islámico del siglo X que supo aunar la sabiduría persa y el legado de Grecia con el espíritu religioso del Islam). La disputa es un apólogo de grandes pretensiones en el que se pone en tela de juicio la superioridad del hombre sobre los animales. Con un lenguaje vivo y lleno de colorido muestra las observaciones zoológicas de la época a la vez que critica la sociedad de aquel momento e...

"While preparing for Christmas in Puerto Rico, seven-year-old Esmeralda asks the Three Magi for a baby doll like her cousin's, but when they bring something else instead she gains a deeper understanding of the meaning of the holiday."