Order of Book Series
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Firefly Books in Order

Firefly contains 24 books, published between 2018 and 2026. The first book is Legacy Edition Book One (2018) and the newest is What Did They Fear? (2026). Publication order is the reading order below.

Books
24
Published
2018–2026
Pages on record
1,136 in 4 of 24 books
See all 24 books in order Printable Firefly checklist

Firefly is a science fiction series of 24 catalogued titles published between 2018 and 2026. Big Damn Hero (2018) and The Magnificent Nine (2019) head the novels, The Ghost Machine follows in 2020, and The Unification War runs across two volumes. The Legacy Editions collect earlier material, and the run reaches What Did They Fear? in 2026.

How many Firefly books are there?

Firefly has 24 books, released between 2018 and 2026.

Firefly Books in Publication Order

The table lists all 24 Firefly books in the order they were published, with the release year, the page count where one is on record, and how many independent book listings confirm each title. Catalogue data as of September 2026.

  1. Cover of Big Damn Hero, book 1 of the Firefly series (2018)
  2. Cover of The Magnificent Nine by James Lovegrove, book 2 of the Firefly series (2019)
  3. Cover of The Ghost Machine by James Lovegrove, book 3 of the Firefly series (2020)
  4. Cover of Life Signs by James Lovegrove, book 5 of the Firefly series (2021)
  5. Cover of Watch How I Soar, book 7 of the Firefly series (2020)
  1. 1
    Big Damn Hero2018 · 336 pages · confirmed 1/4
    2018336
    Buy at Amazon USAmazon UK
  2. 1
    Legacy Edition Book One2018 · confirmed 1/4
    2018–
    Buy at Amazon USAmazon UK
  3. 1
    What Did They Fear?2026 · confirmed 1/4
    2026–
    Buy at Amazon USAmazon UK
  4. 2
    Legacy Edition Book Two2019 · confirmed 1/4
    2019–
    Buy at Amazon USAmazon UK
  5. 2
    The Magnificent Nine2019 · 336 pages · confirmed 1/4
    2019336
    Buy at Amazon USAmazon UK
  6. 3
    The Unification WarVol. 12019 · confirmed 1/4
    2019–
    Buy at Amazon USAmazon UK
  7. 3
    The Ghost Machine2020 · confirmed 1/4
    2020–
    Buy at Amazon USAmazon UK
  8. 4
    The Unification War Vol. 22019 · confirmed 1/4
    2019–
    Buy at Amazon USAmazon UK
  9. 4
    Generations2020 · confirmed 1/4
    2020–
    Buy at Amazon USAmazon UK
  10. 5
    The Unification War Vol. 32020 · confirmed 1/4
    2020–
    Buy at Amazon USAmazon UK
  11. 5
    Life Signs2021 · 336 pages · confirmed 1/4
    2021336
    Buy at Amazon USAmazon UK
  12. 6
    New Sheriff in the 'Verse Vol. 12020 · confirmed 1/4
    2020–
    Buy at Amazon USAmazon UK
  13. 6
    Carnival2021 · confirmed 1/4
    2021–
    Buy at Amazon USAmazon UK
  14. 7
    Watch How I Soar2020 · 128 pages · confirmed 1/4
    2020128
    Buy at Amazon USAmazon UK
  15. 7
    What Makes Us Mighty2022 · confirmed 1/4
    2022–
    Buy at Amazon USAmazon UK
  16. 8
    New Sheriff in the 'Verse Vol. 22021 · confirmed 1/4
    2021–
    Buy at Amazon USAmazon UK
  17. 8
    Coup de Grâce2023 · confirmed 1/4
    2023–
    Buy at Amazon USAmazon UK
  18. 9
    Firefly: Blue Sun Rising Vol. 12021 · confirmed 1/4
    2021–
    Buy at Amazon USAmazon UK
  19. 9
    Aim to Misbehave2024 · confirmed 1/4
    2024–
    Buy at Amazon USAmazon UK
  20. 10
    Firefly: Blue Sun Rising Vol. 22021 · confirmed 1/4
    2021–
    Buy at Amazon USAmazon UK
  21. 11
    Return to Earth That Was Vol. 12021 · confirmed 1/4
    2021–
    Buy at Amazon USAmazon UK
  22. 12
    Return to Earth That Was Vol 22022 · confirmed 1/4
    2022–
    Buy at Amazon USAmazon UK
  23. 13
    River Run2022 · confirmed 1/4
    2022–
    Buy at Amazon USAmazon UK
  24. 14
    Return to Earth That Was Vol. 32022 · confirmed 1/4
    2022–
    Buy at Amazon USAmazon UK

What order should you read Firefly books in?

Read them in publication order, starting with Legacy Edition Book One (2018), the earliest published title.

What is the newest Firefly book?

What Did They Fear? (2026) is the newest Firefly book released so far.

Is there a new Firefly book coming?

No next Firefly book is announced in the catalogue, which is a gap in the listings it merges rather than a sign that the run has ended.

Firefly at a glance

Still running
Firefly is still running, with a title published as recently as 2026.
Release pace
Firefly books have appeared more than one a year on average.
Length
1,136 pages across the 4 of 24 books with a recorded length, a median of 336 pages each.
Busiest decade
Most Firefly books, 18 of 24, were published in the 2020s.
Attribution
Of the 24 titles, 10 are credited to Greg Pak, 4 to James Lovegrove, 2 to Joss Whedon and 2 to Una McCormack. A further 15 writers are credited.

What the Firefly books are about

4 of the 24 Firefly books carry subject tags in Open Library's catalogue. The subjects below are the ones that recur across them, most frequent first: science fiction is tagged on 2 of 4. The subjects are cataloguers’ headings, not a plot summary.