Halcyon Years

Halcyon Years

Alastair Reynolds

7.9 / 10
Publication
January 27, 2026

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8 / 10

Halcyon Years is a standalone novel of about 330 pages, with Yuri Gagarin as the main character. Gagarin does odd jobs as a private investigator aboard a generation ship. However, not everything on the ship is as it should be, as people are being murdered and even the robots are no longer as reliable as they once were. Gagarin finds himself investigating events that are too dangerous to ask about. Halcyon Years is a noir detective story set in a science fiction world. The atmosphere is fitting. Of the books by Reynolds I’ve read before, Permafrost has been the most interesting. This one reaches at least the same level—maybe even a little higher. Reynolds knows how to wrap things up!