Plot summary

Shef, now "King of the North", sets out to learn the secrets of manned flight and Greek fire while his enemy, the now emperor Bruno, seeks the Holy Grail.

References

Harrison, Harry. King and Emperor. Tor Books, 1996.

v t e Books by Harry Harrison
Novels	Planet of the Damned (1962) Bill, the Galactic Hero (1965) Make Room! Make Room! (1966) The Technicolor Time Machine (1967) Captive Universe (1969) The Daleth Effect (1970) Tunnel Through the Deeps (1972) Star Smashers of the Galaxy Rangers (1973) A Rebel in Time (1983)
Series	Deathworld trilogy (1960–1968) The Stainless Steel Rat series (1961–2010) To the Stars trilogy (1980–1981) Eden trilogy: West of Eden (1984), Winter in Eden (1986), Return to Eden (1988) Stars and Stripes trilogy (1998-2002)
Coauthored with John Holm	The Hammer and the Cross (1993) One King's Way (1994) King and Emperor (1996)
Short story collections	War with the Robots (1962) Two Tales and Eight Tomorrows (1965) Prime Number (1970) One Step from Earth (1970) 50 in 50 (2001)
Other works	Spaceship Medic (1970) (juvenile) Vendetta for the Saint (1964) "The Streets of Ashkelon" (1962)