Series like Conquerors' Trilogy
Conquerors' Trilogy by Timothy Zahn is space opera — here are 11 more space opera series from the Shelfmark catalog, each with a complete reading order and a no-signup progress tracker. Picks are drawn from shared genre in our Wikidata/Open Library–derived catalog.
The Expanse
James S. A. Corey · 11 books · 2011–2022
Xeelee Sequence
Stephen Baxter · 11 books · 1991–2018
Deathstalker
Simon R. Green · 8 books · 1995–2005
Inhibitor Cycle
Alastair Reynolds · 4 books · 2000–2021
Serrano Legacy
Elizabeth Moon · 4 books · 1997–2000
Skylark
Edward Elmer Smith · 4 books · 1928–1966
Imperial Radch
Ann Leckie · 3 books · 2013–2015
Machineries of Empire
Yoon Ha Lee · 3 books · 2016–2018
The Captive's War
James S. A. Corey · 3 books · 2024
The Interdependency
John Scalzi · 3 books · 2017–2020
The Salvation Sequence
Peter F. Hamilton · 3 books · 2018–2020