Fundamentos de energía solar fotovoltaica para los grados de titulaciones científico-técnicas

Una noche, una mano misteriosa empieza a colar extraños mensajes en el buzón de doña Parlanchano: la señora más antipática y malas pulgas del edificio. Todos les echan la culpa de la gamberrada a Manuel y a Lola, los protagonistas de esta historia. Ni siquiera sus padres les creen cuando los hermanos insisten en que ellos no han sido. De nada les vale que la abuela, que siempre se pone de su parte, intente salvarles: ¡Les castigan sin fiesta de Halloween! Los niños tendrán que convertirse en auténticos detectives e investigar, uno a uno, a todos sus vecinos para encontrar al...

Thomas Edison is considered by many to be one of the greatest inventors of all time. His creations changed the world, but there was more to his life than just his inventions. Readers of this engaging volume will learn all about the man behind the innovations. This fascinating biography introduces important subjects and encourages a further interest in history. Concise and accessible text paired with vibrant photographs is sure to captivate audiences of many ages and levels.

This book introduces readers to the first inhabitants of the Wild West. Readers will learn about Native American struggles over land and the historical and heartbreaking Trail of Tears. Through rich text and historic photographs, readers will learn about how life changed for Native Americans when white settlers started moving west. Engaging text explains important people and events, including the Great Sioux War of 1876 and Crazy Horse. "Truth or Myth?" fact boxes shed light on the real experiences of Native Americans while sidebars provide additional opportunities for readers to deepen their ...

Discusses issues that involve dating and premarital sex among young adults and explores the consequences of making bad choices when it comes to promiscuity.