MECÁNICA DE FLUIDOS. PROBLEMAS Y SOLUCIONES

Llega la última entrega de la trilogía sobre el asesinato de Olof Palme El jefe de la Policía Nacional sueca, Lars Martin Johansson, un hombre criado en el Norte, agradable y simpático, está a punto de jubilarse. No obstante, antes de abandonar su cargo toma una decisión que tendrá graves repercusiones: revisar los archivos del asesinato, aún no resuelto, de Olof Palme, una herida todavía abierta de la sociedad sueca. Lars Martin Johansson decide formar un nuevo grupo de policías para reanudar la investigación y consigue abrir una vía entre los miles de archivos que esconden la...

Find out how tools have helped people hunt, build, and make life easier in this engaging, Spanish-translated nonfiction title. With colorful images, timelines, charts, a glossary to assist with vocabulary improvement, and an index, children will learn how tools throughout time have made such an important impact on life as we know it! Featured eras include the Stone Age and the Industrial Revolution.

From the itsy-bitsy to the huge and hairy, kids will be drawn into the spider’s world. This book shows spiders going about their lives, including building webs, catching prey, and hatching babies.

Design a flexible protective layer for a space suit. Space suits have come a long way. The look and function of space suits has evolved over time, but their purpose has always been the same--to keep astronauts safe. From the first suits worn during the Mercury missions, to the latest suits being tested by NASA, there have been great improvements. Learn all about the science behind space suits and how they have changed over time. Created in collaboration with the Smithsonian Institution, this Spanish Smithsonian Informational Text builds reading skills while engaging students' curiosity about...