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The Fine Art of Brewing - start by opening one hint at a time to see if it's enough information

Some inks can only be seen with a certain type of light.
Try scanning the cover with the UV light.

When shinning the UV-light on the page with the cover for "The Fine Art of Brewing", you should now be able to read 1 + 4.

The right number and fourth digit in the code for the USB-stick is therefore 5

Last Updated 29.11.2023