num_pages: 448
description: More than 1,500 colorful illustrations and photographs complement this lively guide, which reveals the stories behind such achievements as how Vikings crossed the Atlantic without a compass or chart, how scientists split the atom, and how soldiers prepared for trench warfare during World War I, among other topics. (History)
language: Spanish; Castilian
title: Como Son y Como Funcionan Casi Todas Las Cosas
titlecomplete: Como Son y Como Funcionan Casi Todas Las Cosas
ratings_count: 4
publisher: Readers Digest