La lana de la oveja

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.

Entre el XX y el XXI. Antología poética andaluza (I), es una obra esencial que reúne una floresta de los poetas andaluces que, a criterio del antólogo, son significativos en el panorama actual de la poesía que se escribe entre dos siglos. Cada español tiene una antología en su mente y también cada crítico. Como propuesta libérrima ha rehuido de las capillas literarias e intenta ser integradora de una amplia realidad nacional. Los escritores seleccionados tienen una obra extensa y contrastada, formando parte, en algunos casos, de una nómina restringida de la poesía española...

This Spanish book introduces students to the concepts of growth and change. With images that are easy to identify and clear, simple sentence structures, this science reader simplifies scientific concepts for young students as they improve their reading skills. A fun and easy science experiment and Your Turn! activity provide more in-depth opportunities for additional learning. Nonfiction text features include a glossary and an index. Engage students in learning with this dynamic text!

Provides an overview of the design, uses, weapons, and equipment of U.S. Navy submarines. Written in English and Spanish.