Jon Mills Books in Order

Jon Mills has written 22 books, published between 2012 and 2026. The first book is Undisclosed (2012) and the newest is Wrong Mail (2026). Publication order is the reading order below.

Books
22
Published
2012–2026
Pages on record
5,276 in 15 of 22 books
Reading time
88–132 hours

Reading time is an estimate, not a recorded figure: 5,276 pages at 300 words a page, read at 200–300 words a minute, covering the 15 of 22 titles with a page count on record.

Jon Mills has written 22 books between 2012 and 2026, beginning with Undisclosed (2012). The Promise, Clandestine and Retribution followed, and The Debt Collector appeared in 2015. Jon Mills's series are Debt Collector, the Undisclosed Trilogy and 50 States of Murder. Angel of Death, Hard to Kill and Prey appeared in 2016, and Wrong Mail (2026) is the newest title.

Source: composed

How many Jon Mills books are there?

Jon Mills has 22 books, released between 2012 and 2026. They include 3 series and 4 titles listed outside any series.

Jon Mills Books in Publication Order

The table lists all 22 Jon Mills 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 November 2026.

  1. 1
    UndisclosedUndisclosed Trilogy #12012 · 394 pages · confirmed 1/4
    2012394
  2. 2
    The Promise2013 · 332 pages · confirmed 1/4
    2013332
  3. 3
    Retribution / DecodedUndisclosed Trilogy #22014 · 286 pages · confirmed 1/4
    2014286
  4. 4
    Clandestine / OneUndisclosed Trilogy #32014 · 222 pages · confirmed 1/4
    2014222
  5. 5
    The Debt CollectorDebt Collector #12015 · 312 pages · confirmed 1/4
    2015312
  6. 6
    True Connection2015 · confirmed 1/4
    2015–
  7. 7
    VengeanceDebt Collector #22015 · 316 pages · confirmed 1/4
    2015316
  8. 8
    RebornDebt Collector #32016 · 339 pages · confirmed 1/4
    2016339
  9. 9
    Hard to KillDebt Collector #42016 · 331 pages · confirmed 1/4
    2016331
  10. 10
    Angel of DeathDebt Collector #52016 · 377 pages · confirmed 1/4
    2016377
  11. 11
    PreyDebt Collector #62016 · 367 pages · confirmed 1/4
    2016367
  12. 12
    NarcDebt Collector #72017 · 416 pages · confirmed 1/4
    2017416
  13. 13
    Hard TimeDebt Collector #82017 · 296 pages · confirmed 1/4
    2017296
  14. 14
    Her Last BreathDebt Collector #92017 · confirmed 1/4
    2017–
  15. 15
    Trail of the ZodiacDebt Collector #102017 · 520 pages · confirmed 1/4
    2017520
  16. 16
    Lost Girls: The Maine Murders50 States of Murder #12018 · confirmed 1/4
    2018–
  17. 17
    I'm Still Here2018 · 399 pages · confirmed 1/4
    2018399
  18. 18
    Fight GameDebt Collector #112018 · confirmed 1/4
    2018–
  19. 19
    Cry WolfDebt Collector #122019 · confirmed 1/4
    2019–
  20. 20
    OblivionDebt Collector #132019 · 369 pages · confirmed 1/4
    2019369
  21. 21
    Murder Games: The New York Murders50 States of Murder #22020 · confirmed 1/4
    2020–
  22. 22
    Wrong Mail2026 · confirmed 1/4
    2026–

Jon Mills books grouped by series

Each title below is a row in the publication-order table above. None of these groups has a reading-order page of its own on this site.

Debt Collector in order

13 books
  1. 1. The Debt Collector
  2. 2. Vengeance
  3. 3. Reborn
  4. 4. Hard to Kill
  5. 5. Angel of Death
  6. 6. Prey
  7. 7. Narc
  8. 8. Hard Time
  9. 9. Her Last Breath
  10. 10. Trail of the Zodiac
  11. 11. Fight Game
  12. 12. Cry Wolf
  13. and 1 more in the table above

Undisclosed Trilogy in order

3 books
  1. 1. Undisclosed
  2. 2. Retribution / Decoded
  3. 3. Clandestine / One

50 States of Murder in order

2 books
  1. 1. Lost Girls: The Maine Murders
  2. 2. Murder Games: The New York Murders

Standalone books

4 books

4 Jon Mills titles here are not listed as part of any series.

Do you have to read Jon Mills books in order?

You only need to read Jon Mills books in order within each series: the books listed here span 3 separate series, and each series has its own publication order.

Where to start with Jon Mills

Start with Undisclosed (2012), the earliest published title.

What is the newest Jon Mills book?

Wrong Mail (2026) is the newest Jon Mills book released so far.

Is there a new Jon Mills book coming?

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

Jon Mills at a glance

Still publishing
Jon Mills published a book as recently as 2026.
Release pace
Jon Mills books have appeared more than one a year on average.
Length
5,276 pages across the 15 of 22 books with a recorded length, a median of 339 pages each.
Busiest decade
Most Jon Mills books, 20 of 22, were published in the 2010s.

When Jon Mills books were published

Publication distribution by decade, showing when Jon Mills titles appeared. 2010s was the most productive decade with 20 titles.

2010s
20
2020s
2

22 books total across 2 decades. Decade reflects the year each title was first catalogued.