To complete the challenge you will need a mobile device (iPad, iPod, smart phone, tablet etc...) with a QR code reader (available in all App stores).
Get a set of instructions (found on the bulletin board in the Young Adult section) and search for clues around the library!!!!!
Find the answer to the clues then present it to a librarian in the youth services department and receive a prize.
Example of a QR code:
Here is the copy of the clues sheet to be filled out: