A strange little side quest
Put Dogs: Spot the Diffs Part next to the history of puzzles and a few unexpected connections appear. The first crossword puzzle book appeared in 1924 in a cautious initial printing of 3,600 copies, complete with a free pencil. And then there is this: Reader Rabbit's 1986 arrival was part of a major expansion of educational computer software before the CD-ROM boom of the 1990s. That history is one reason familiar mechanics can still feel new when they are recombined well.
