La búsqueda de la velocidad: Los vehículos (The Quest for Speed: Vehicles) (Spanish Version)

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.

Readers will be amazed to discover that every time they climb onto bicycles and ride like the wind, they are defying gravity! This book explains the physics and history behind bicycles, skateboards, and surfboards. Readers learn what happens from the simplest movement of rolling forward to more complex tricks and stunts of jumping and spinning. Readers will never look at bikes, skateboards or surfboards the same way again.

Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to the six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.

Invite readers along on the preparations for a soccer tournament! With informational, Spanish-translated text, vibrant photos and charts, children are engaged from cover to cover while utilizing mathematical skills to increase understanding of all aspects of soccer, including sportsmanship and tournaments.

El rico propietario de una cuadra equina decide reunir una banda de mercenarios con la misión de hallar el paradero de un famoso jockey desaparecido. Está convencido de que sólo ese jinete puede montar con éxito al mejor de sus caballos y así ganar el evento hípico más importante de la temporada. Una novela de aventuras, aliñada con gotas de metafísica y ambientada en el fascinante mundo de las carreras de caballos.

Illustrations with transparent overlays and brief text introduce children to animals all over the world.

El Tombuctu nos habla de la gran inundacion de la ciudad de Mexico ocurrida en 1629. El preso numero cuatro retrata la vida colonial durante el siglo XVIII y cuenta la vida de tres personajes muy humildes que por azares del destino van a la carcel de la Santa Inquisicion y acaban formando una familia.

Estás creciendo y en tu cuerpo se producen cambios, este libro te ayudará a entenderlos. Si eres una chica: llega la menstruación, tus pechos se hacen notar, aparecen pelos y te quieres depilar. Si eres un chico: te sucede algo desconocido mientras duermes, descubres nuevas sensaciones, transpiras mucho y no te quieres bañar. La licenciada Alicia Guzmán te cuenta cómo es esta etapa única del crecimiento, maravillosa y a la vez difícil: la pubertad. Con los dibujos de Petisuí sonreirás como quien se mira al espejo. Autora: Alicia Guzmán