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Photo: ColorIURIS Weblog

It's not the first book with a QR Code nor the first QR Code Book, but it's nonetheless a big step forward: the book by Pedro J. Canut Zazurca: “ColorIURIS, una aportación independiente a la cultura libre.




※ I would never pretend that the above examples are the first QR Codes used in book printing, they were just a bit earlier than Zazurca's book. Now it depends what one puts behind the QR Code.

※ QR Code pointing to https://www.coloriuris.net/autores/pjcanut/coloriuris_el_libro_2. ColorIURIS - you can do better;)