by Marta Monje, Ignacio Díez · Libsa · tapa dura · ISBN 9788466221177
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«Qué Han Cambiado los Inventos» is the children's book about inventions by Marta Monje and Ignacio Díez, published by Libsa in hardcover (64 pages, in Spanish).
The book explains how some everyday objects came about and what the world was like before they were invented. It covers the history of great inventions, from fire and the wheel to satellites and the Internet, and shows how things work through curious scientific anecdotes, such as those about chewing gum or the toilet.
Second volume in the Explorers of Knowledge collection, first edition published in 2010. Hardcover, 64 pages, text in Spanish.
Suitable for children aged 7 to 9, particularly in the first years of elementary school, with a curiosity for science and technology.
