Legion of Time books in order

The Legion of Time series by Jack Williamson explores parallel timelines and temporal warfare in five classic science fiction novels.

Reading order

# Title Published Author Buy on Amazon
1 The Legion of Time 1938 Jack Williamson Buy
2 The Cometeers 1936 Jack Williamson N/A
3 After World’s End 1938 Jack Williamson Buy
4 One Against The Legion 1939 Jack Williamson N/A
5 The Queen of the Legion 1982 Jack Williamson N/A

The Legion of Time series by Jack Williamson centers on time travel and the battle between competing possible futures. The Legion of Time (1938) established the concept of temporal warriors fighting to determine which timeline will become reality, a premise that has influenced many later science fiction works.

After World’s End (1938) and the other entries in the series expand on the temporal conflict. The series overlaps somewhat with the Legion of Space books, as Williamson wove his various future-history concepts together across different stories and novels.

Frequently Asked Questions

How many books are in the Legion of Time series?

There are five books in the Legion of Time series, published between 1936 and 1982.

What is the first book in the Legion of Time series?

The first book in the Legion of Time series is The Legion of Time, published in 1938.

How does the Legion of Time series relate to the Legion of Space?

Both series share the ‘Legion’ branding and space opera elements, but the Legion of Time focuses more on time travel and alternate timelines. Some books appear in both series due to shared characters and overlapping narratives. The Legion of Time (1938) is the anchor of this particular sequence.

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