"Dewey" Know the Dewey

623.893 Anoka County Library P&G

Was in Eden Prairie.  On the list to show the puzzle they used.

Now archived, but here to show an example of a puzzle library cache.

The cache that started it all for me - White Bear Lake

Uses the Summer Reading Program
Shoshone, ID

Caches hidden in libraries, on library grounds, or with a library or book theme.

Feel free to email me with others to add to the list.