La memoria del tiburón

The use of calendars dates back thousands of years. Why are we driven to record time, and what would happen if we did not? Who created the concept of calendars? Why do different cultures use different calendar systems? And why are calendars so important to us? It is about "time" we found out! Created in collaboration with the Smithsonian Institution, this Spanish-translated Smithsonian Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, it features a hands-on STEAM challenge...

Enseña a los jóvenes a través de los mensajes que los hombres más sabios del mundo han dedicado a la juventud a disfrutar plena y responsablemente de lo que otorga la naturaleza.

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...

“Al tener el armario vacío, pude observar en el fondo del lateral derecho una hendidura que me produjo curiosidad, porque pensé que se estaba estropeando, aunque las condiciones de temperatura y humedad eran óptimas para su conservación. Pasé los dedos por ella y vi una tabla que se diferenciaba, por la veta de la madera, del resto del suelo del armario; insistí tocando y estuve segura de que aquella tabla se podía levantar.” Demonios en el armario propone una búsqueda del ser a partir de una trama entretenida y una prosa fluida. María Montesinos, protagonista de la historia,...