....alisonwonderland! You won the Read-a-Thon mini-challenge. The quote (randomly selected by Sweet Husband):
"Did the memory erasure device work, Uncle?"
"The memory erasure device. You were testing it when I last saw you."
"Don't know what you're talking about, dear girl."
From The Eyre Affair, the first in the Tuesday Next series by Jasper Fforde.
Thanks to everyone for all the wonderful quotes, and alison I'll be in touch to get you your prize!