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A little wonder, every day

A Japanese book less than a millimetre wide

The Printing Museum, Tokyo, where the microbook was exhibited, and a magnifying glass like the one bundled with it.

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The microbook *Shiki no Kusabana* (*Flowers of the Four Seasons*), made by Japan’s Toppan, holds a Guinness record in the category of the smallest book published. Guinness gives its dimensions as 0.74 × 0.75 mm and says it has 22 pages. [1, 2]