Little Einsteins. La aventura de los números

From the largest cargo planes and passenger jets to the smallest of single-engine crafts, airplanes are modern marvels. But just how do people build planes and what keeps them safe in the air? This exciting book takes readers inside the hangars where bolts and metal are turned into winged creations ready to take people all around the world. Amazing photographs show the aircraft construction process step-by-step, while engaging text gives a strong technical explanation of the science at work during every flight in this innovative STEM book.

Mamíferos I is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

In order for any democracy to function well, understanding how and when to compromise is a necessity. This book introduces students to how compromise makes governing possible. Using examples of how compromise works in their own lives, students will gain a better understanding of how compromise work on a larger level. Conversely, readers will also learn that compromise may be the wrong course of action in some situations and that some issues are of such critical importance or high moral worth that standing firm is appropriate.

Una fiesta de disfraces acaba de madrugada en un camino solitario cuando Sofía y Lupe sufren una agresión sexual. Durante los días siguientes, las dos muchachas descubrirán que, como Medusa, muchos no se atreven a mirarlas a los ojos. ¿Tienen que avergonzarse de algo? ¿No hubiera ocurrido si no hubieran llevado una minifalda? ¿Es mejor no denunciar y olvidarlo todo? Inspirada en el mito de Medusa, cuyos cabellos se transformaron en serpientes como castigo tras ser forzada por Poseidón, ' La cabeza de Medusa ' aborda el trauma personal, familiar y social que supone una agresión de...