Many stories have some sort of central secret, revealing of this is held to
the end. The whodunnit genre, for example, revolves around a detective
of some stripe determining which of the various characters was the
Finding this out early can spoil enjoyment of the book. It can be
avoid such spoilers.
I propose that several different versions of such a book could be made,
commingled, and distributed together. They would be as similar as
possible - same title, same cover in physical copies. But subtle differences
would arise throughout, gradually leading the story off in different
Obviously, this might involve a lot of work where clues are deeply
embedded in the plot. A much simpler-to-implement version simply
changes the names of key characters and varies locations.