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The Comet Cycle Books in Order
Below you'll find the complete list of The Comet Cycle books in publication order. This is generally the recommended reading order for the series.
Reading order verified: April 2026
Quick Answer
What order should I read the The Comet Cycle series? Start with "The Ninth Metal" (2021) and follow publication order through all 3 books.
The complete The Comet Cycle reading order is listed below in publication sequence.
Publication Order
The Ninth Metal
2021
The Unfamiliar Garden
2022
The Sky Vault
2023
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