Lobachevski

Mars is perhaps the most thrilling planet these days. With rovers exploring its surface and manned missions in the works, people are wondering if Mars is our next home! In this highinterest book, readers will learn more about Earth's neighbor, including what its climate and surface are like, why it's called the Red Planet, and about the recent discovery of water on its surface. They'll learn all this while solving "Your Mission" math problems that complement and support the text. This motivating volume is an engaging way to explore key aspects of science and math curricula.

Do you have what it takes to be an athlete? Readers learn about the hard work and dedication that athletes of all levels go through to be healthy and successful. Along with stunning photos and charts and riveting facts, this Spanish-translated title includes an interview with a real-life Olympic athlete and an accessible glossary, index, and list of useful sources.

La configuración de las mercancías en unidades de carga es un factor clave para asegurar la calidad en el transporte y la manipulación de las mercancías. Este manual reúne los conceptos fundamentales acerca de la formación de las unidades de carga para su traslado en todos los modos de transporte, con el fin de garantizar que alcancen su destino en el momento previsto, en óptimas condiciones y con el mínimo costo. Se definen los elementos que otorgan seguridad y estabilidad a la unidad de carga, los envases y embalajes, las tipologías de las cargas y los tipos de unidades de carga,...

We use machines every day, but most of us don't understand how they work. When they break down, most of us have no idea how to fix them. Mechanics are the masters of machines. Readers learn that mechanics work on vehicles, including cars, boats, and buses. They use special tools to take them apart and fix what's wrong, and they use their experience and technology to diagnose problems. They often work long hours, sometimes in bad weather, to get us where we need to go. Your readers will see that mechanics keep our world moving and growing.