Imperium Books in Order
Below you'll find the complete list of Imperium books in publication order. This is generally the recommended reading order for the series.
Reading order verified: January 2026
Publication Order
Worlds of the Imperium
Buy on Amazon1961
The Other Side of Time
Buy on Amazon1965
Assignment in Nowhere
Buy on Amazon1968
Zone Yellow
Buy on Amazon1990
Frequently Asked Questions
The recommended reading order for the Imperium series is publication order: 1. Worlds of the Imperium (1961), 2. The Other Side of Time (1965), 3. Assignment in Nowhere (1968), 4. Zone Yellow (1990). This is generally the best way to experience the story as the author intended.
The Imperium series by Keith Laumer contains 4 books. The series began in 1961 and continues to be a popular choice for readers.
The Imperium series is written by Keith Laumer. You can find more books and series by this author on our website.
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