Los animales (What Are Animals?)

"Papini, florentino de origen humilde, se empeñó en ser escritor y desde la infancia se encerró entre libros y se hizo pasar por adulto en las bibliotecas de la ciudad para leer y leer. (...) El estudio de Papini, este autor polígrafo y polémico que ha suscitado algunas de las antipatías y suspicacias más controvertidas en la historia de la crítica literaria, presenta aún hoy una dificultad añadida a la interpretación de las propias obras, y es la aceptación de la figura del escritor, que se ha definido l'uomo impossibile. Sus cambios de tendencia estética y filosófica, que han...

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

What do solar panels, waterproof clothing, and window coverings have in common? They are technologies that have been adapted based on studying butterflies! Learn what scientists have learned from butterflies with this Spanish book that will ignite a curiosity about STEAM topics through real-world examples. Created in collaboration with the Smithsonian Institution, this STEAM book features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career connections with career advice from actual...

Two adorable sisters have something very important to do. They must plan, arrange, and decorate for a great surprise, because it's Dad's birthday. Books of the Neighborhood Readers Program build early literacy skills, introduce important content-area language, and help develop speaking and writing skills. They can be integrated into any existing language arts or core reading programs.