Great Kings' War

Great King's War
First edition
AuthorJohn F. Carr and Roland Green
Cover artistAlan Gutierrez
LanguageEnglish
GenreScience fiction
PublisherAce Science Fiction Books (1985); Pequod Press (2006)
Publication date
1985 (first edition); 2006 (revised and expanded edition)
Publication placeUnited States
Media typePrint (Paperback - 1985 , Hardcover - 2000 )
Preceded byLord Kalvan of Otherwhen 
Followed byKalvan Kingmaker 

Great Kings' War is an English language science fiction novel by John F. Carr and Roland J. Green, a sequel to H. Beam Piper's Lord Kalvan of Otherwhen. It continues the story of Corporal Calvin Morrison after he is transported to another timeline by a Paratime conveyor. The book was released in two editions, one in 1985 and the revised and expanded edition in 2000 .

Having saved his new nation of Hos-Hostigos from destruction only last year, Calvin Morrison (now King Kalvan) faces the House of Styphon in a new military campaign. Kalvan once more draws upon his knowledge of his home timeline's military history to meet a greater threat.