Siglo XXII: El futuro del espacio (22nd Century: Future of Space) 6-Pack

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.

"Tengo derecho a expresarme" examina el derecho de todos los niños a expresar su opinión y a tomar partida en aquello que afecte a sus vidas, dondequiera que vivan y ya sean pobres, no tengan hogar, sean discapacitados o deban trabajar para sobrevivir. Examina los obstáculos que a veces los niños tienen que superar para lograr este derecho.

Advances in science have changed our world, all thanks to the scientists behind important discoveries. Some of the most important discoveries have come from female scientists, who were as unique for their work as they were for being trailblazers in a male-dominated industry. This text offers a biographical treatment of such important scientists as Marie Curie, Rachel Carson, and Jane Goodall, as well as others who have made it possible for women of the future to have a career in science. Age-appropriate text, fact boxes, historical and modern images, and a comprehensive timeline complete the...

¡Oh, no! ¡Claudia ha vuelto a desaparecer! Por suerte, esta vez es una falsa alarma, pero la familia Itarte va a evitar a toda costa que vuelva a ocurrir. Lluís sospecha que el duende está detrás de todo esto y deciden tenderle una trampa. Pero, cuando descubren lo que ocurre, la aventura no hace más que comenzar. ¡Tendrán que viajar a un lugar increíble para resolver el misterio!