Both Katie and Matt T. came up with our Mystery Guest's identity! Congratulations and spend those golden $100 Library Bucks wisely :)
The Mystery Guest was: the Mad Hatter from Alice's Adventures in Wonderland by Lewis Carroll.
Even though he was protesting madly (ha!), once we knew who he was, and Caroline found his hat, he had no choice but to get back in his book! Whew!
Although the volunteers swear they saw him sneak back out ...