Hopscotch is a 1975 novel by
Brian Garfield, in which a
CIA field officer walks away from the Agency in order to keep from being retired in place behind a desk, and invites the Agency to pursue him by writing an exposé and mailing chapters of it piecemeal to all the major intelligence agencies around the world, including the CIA.
Hopscotch won the 1976
Edgar Award for Best Novel.