SeriesStack

Pax Solis Books in Order

3 books so far (book 6 is due June 8, 2027). They run from Titan War (2025) to Neptune War (2026). Rated 4.3 across 429 listener reviews.

Next Pax Solis book

Ceti War

Book 6 · out June 8, 2027 · preorder now

Reading order

  1. Titan War

    Book 1 2025 4.0 (224)

    When Lieutenant Alex "Flex" Callahan encounters mysterious alien probes near Luna Station, no one believes his warnings—until it's too late. Human activity has awakened an alien presence deep in our Solar System.

  2. Venus War

    Book 2 2026 by B. V. Larson 4.6 (88)

    Lieutenant Alex "Flex" Callahan watched helplessly as the first refugee ships fled Venus. Something was driving them mad, transforming both crew and vessels into horrors. But this was just the beginning.

  3. Neptune War

    Book 3 2026 by B. V. Larson 4.8 (117)

    Neptune's frozen outposts fall silent one by one. Strange signals from the edge of the solar system draw the carrier ECS Vanguard into the darkness beyond the planets. There, humanity faces a new alien threat—the Blight.

  4. Ceti War

    Book 6 Out June 8, 2027

    Some victories can only be stolen. Flex is done trying to earn them. Ordered to throw humanity's fleet against an impregnable Blight fortress, Commander Alex "Flex" Callahan does the unthinkable—he changes the target.

About this reading order

Books are listed in the series' own numbering, which for Pax Solis is also the best order to read them in. Years are first publication where we could confirm it, and otherwise the first audiobook release.