The Final Encyclopedia, Volume One Of Two

Originally published in 1984, The Final Encyclopedia tells of the events which occur when the human race is split into three splinter cultures: the Friendlies, fanatic in their faith; the truth-seeking Exotics; and the warrior Dorasi. But now humanity is threatened by the power-hungry Others, whose triumph would end all human progress.

The Childe Cycle, also known as the Dorsai series, is Gordon R. Dickson's future history of humankind and its ultimate destiny. Now one of its central novels return to print in a two-volume corrected edition.
In "The Final Encyclopedia" the human race is split into three Splinter cultures: the Friendlies, fanatic in their faith; the truth-seeking Exotics; and the warrior Dorsai. But now humanity is threatened by the power-hungry Others, whose triumph would end all human progress.
Hal Mayne is an orphan who was raised by three tutors: an Exotic, a Friendly, and a Dorsai. He is the only human capable of uniting humanity against the Others. But only if he is willing to accept his terrifying destiny...as savior of mankind.
A towering landmark of future history, "The Final Encyclopedia" is a novel every SF fan needs to own.