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. 13 of the 22 books listed here are in the Debt Collector series, which has its own page: Debt Collector books in order.
- 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.
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 September 2026.
- 120123941/4
- 2The Promise2013 · 332 pages · confirmed 1/420133321/4
- 320142861/4
- 420142221/4
- 520153121/4
- 6True Connection2015 · confirmed 1/42015–1/4
- 720153161/4
- 820163391/4
- 920163311/4
- 1020163771/4
- 1120163671/4
- 1220174161/4
- 1320172961/4
- 142017–1/4
- 1520175201/4
- 162018–1/4
- 17I'm Still Here2018 · 399 pages · confirmed 1/420183991/4
- 182018–1/4
- 192019–1/4
- 2020193691/4
- 212020–1/4
- 22Wrong Mail2026 · confirmed 1/42026–1/4
Jon Mills series in order
The series linked below has its own reading-order page.
- Debt Collector books in order 15 books
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.
Undisclosed Trilogy in order
3 books50 States of Murder in order
2 booksStandalone books
4 books4 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 Delirium (2013), the first Debt Collector book. The earliest catalogued title overall is Undisclosed (2012).
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.