Folding book

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A fold-out book is a book form in which the pages are divided horizontally so that the pages can be turned over ("flipped") independently of one another, which means that the contents of several pages can be combined into apparently new pages.

Well-known examples come from the field of children's books , such as the folding picture book 8192 quite crazy people in one book by Walter Trier . The pages contain pictures of different people (puppet, prima ballerina, knight, etc.) in such a way that the connections fit together on the parts. By opening parts of different pages, numerous grotesque combinations are created.

The number of possible combinations can be very large due to the so-called combinatorial explosion . With n sheets and k parts per sheet there are n k possible combinations, if both sides of a sheet are printed, there are 2 n k .

The principle can be applied not only to pictorial, but also to text content. The best-known such example is Raymond Queneau's Hundred Thousand Billion Poems , a collection of 10 sonnets , each of which is based on the same rhyme scheme, so that by opening different parts the number of 10 14 different sonnets mentioned in the title results.

Individual evidence

  1. ^ First edition : Atrium Press, London 1940. German new edition: Walter Trier, Ebi Naumann: Crazy People. A folding book back and forth. Cecilie Dressler Verlag, Hamburg 2011, ISBN 978-3-7915-1426-0 .