I sold some books on the front stoop this weekend. Inside the cover of one old title, I found one of the better errata slips I’ve ever seen:

Our apologies in advance for the number of typos the reader will encounter in this bound galley . . . The galley was prepared by a computer scanning technique from the original Bolton works and numerous typographical quirks resulted: a capital “G” sometimes translated as a capital “C,” for instance, so that “Good God” became “Good Cod.”