Wiktionary
n. (context nonstandard English) A series comprised of two parts, particularly in genre fiction.
Usage examples of "duology".
Those lucrative publications include novels (Diplomatic Implausibility, Demons of Air and Darkness, The Art of the Impossible, and A Time for War, a Time for Peace), duologies (The Brave and the Bold and the first two I.
Reader response to the Gorkon and its crew (made up of both original characters and past TNG and DS9 guest stars) was outstanding, so I was given the go-ahead to use them again in this duology and continue their stories forward (look for the first two books in the Star Trek: I.
And like Bob, Troy was bombarded by fans: all the more, perhaps, because Anakin had played such a prominent role in the Greg Keyes duology that precedes Star by Star.
When he isn’t immersed in the Starfleet Corps of Engineers, he writes other Star Trek fiction, ranging from the novels Diplomatic Implausibility and Demons of Air and Darkness to the comic book Perchance to Dream to the award-winning novella “Horn and Ivory” to the cross-series duology The Brave & the Bold.
Hertzler on the Star Trek: Deep Space Nine: The Left Hand of Destiny duology and David Weddle on DS9 novel Section 31: Abyss.