Un rio de piedras de lava rojas y calientes (A River of Red, Hot Lava Stones) (Coleccion Click Click: Ciencia Basica) (Spanish Edition)

Cuantas piedras puedes ver en un rio o a la orilla del mar? aunque no lo creas, les ha tomado cientos de miles de anos, e incluso millones, llegar ahi. La forma y el color de esas piedras contienen la historia de la Tierra y del Universo

ENGLISH DESCRIPTION:How many rocks can you see in a river or at the seashore? Did you know that it has taken them hundreds of thousands of years, sometimes even millions, to get there? The shape and color of those stones hide the key to the history of the Earth and the Universe.