Order of Book Series
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DCI Ryan Books in Order

DCI Ryan contains 24 books, published between 2015 and 2026. The first book is Holy Island (2015) and the newest is Berwick (2026). Publication order is the reading order below.

Books
24
Published
2015–2026
Confirmed
23 of 24 titles
Pages on record
2,727 in 10 of 24 books
See all 24 books in order Printable DCI Ryan checklist

DCI Ryan is an English crime series by LJ Ross, with 24 books catalogued from 2015 to 2026. Holy Island (2015) opens the series, followed the same year by Sycamore Gap, then Heavenfield and Angel (2016). High Force, Cragside and Dark Skies date from 2017, and Seven Bridges, The Hermitage and Longstone from 2018. Berwick (2026) is the latest entry, and the series is ongoing. Police work, murder investigation and England appear in the subject tags, which also name the character Maxwell Finlay-Ryan.

How many DCI Ryan books are there?

DCI Ryan has 24 books, released between 2015 and 2026.

DCI Ryan Books in Publication Order

The table lists all 24 DCI Ryan 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 Holy Island by LJ Ross, book 1 of the DCI Ryan series (2015)
  2. Cover of Sycamore Gap by LJ Ross, book 2 of the DCI Ryan series (2015)
  3. Cover of Heavenfield by LJ Ross, book 3 of the DCI Ryan series (2016)
  4. Cover of Angel by LJ Ross, book 4 of the DCI Ryan series (2016)
  5. Cover of Cragside by LJ Ross, book 6 of the DCI Ryan series (2017)
  6. Cover of Dark Skies by LJ Ross, book 7 of the DCI Ryan series (2017)
  7. Cover of Seven Bridges by LJ Ross, book 8 of the DCI Ryan series (2018)
  8. Cover of The Hermitage by LJ Ross, book 9 of the DCI Ryan series (2018)
  9. Cover of Borderlands by LJ Ross, book 14 of the DCI Ryan series (2019)
  1. 1
    Holy Island2015 · 314 pages · confirmed 3/4
    2015314
    Buy at Amazon USAmazon UK
  2. 2
    Sycamore Gap2015 · 302 pages · confirmed 3/4
    2015302
    Buy at Amazon USAmazon UK
  3. 3
    Heavenfield2016 · 264 pages · confirmed 3/4
    2016264
    Buy at Amazon USAmazon UK
  4. 4
    Angel2016 · 246 pages · confirmed 3/4
    2016246
    Buy at Amazon USAmazon UK
  5. 5
    High Force2017 · confirmed 3/4
    2017–
    Buy at Amazon USAmazon UK
  6. 6
    Cragside2017 · 298 pages · confirmed 3/4
    2017298
    Buy at Amazon USAmazon UK
  7. 7
    Dark Skies2017 · 287 pages · confirmed 3/4
    2017287
    Buy at Amazon USAmazon UK
  8. 8
    Seven Bridges2018 · 272 pages · confirmed 3/4
    2018272
    Buy at Amazon USAmazon UK
  9. 9
    The Hermitage2018 · 284 pages · confirmed 3/4
    2018284
    Buy at Amazon USAmazon UK
  10. 10
    Longstone2018 · confirmed 3/4
    2018–
    Buy at Amazon USAmazon UK
  11. 11
    The Infirmary2019 · confirmed 3/4
    2019–
    Buy at Amazon USAmazon UK
  12. 12
    The Moor2019 · confirmed 3/4
    2019–
    Buy at Amazon USAmazon UK
  13. 13
    Penshaw2019 · confirmed 3/4
    2019–
    Buy at Amazon USAmazon UK
  14. 14
    Borderlands2019 · 247 pages · confirmed 3/4
    2019247
    Buy at Amazon USAmazon UK
  15. 15
    Ryan's Christmas2019 · 213 pages · confirmed 3/4
    2019213
    Buy at Amazon USAmazon UK
  16. 16
    The Shrine2020 · confirmed 3/4
    2020–
    Buy at Amazon USAmazon UK
  17. 17
    Cuthbert's Way2020 · confirmed 3/4
    2020–
    Buy at Amazon USAmazon UK
  18. 18
    The Rock2021 · confirmed 3/4
    2021–
    Buy at Amazon USAmazon UK
  19. 19
    Bamburgh2022 · confirmed 3/4
    2022–
    Buy at Amazon USAmazon UK
  20. 20
    Lady's Well2023 · confirmed 3/4
    2023–
    Buy at Amazon USAmazon UK
  21. 21
    Death Rocks2024 · confirmed 3/4
    2024–
    Buy at Amazon USAmazon UK
  22. 22
    Poison Garden2024 · confirmed 3/4
    2024–
    Buy at Amazon USAmazon UK
  23. 23
    Belsay2025 · confirmed 3/4
    2025–
    Buy at Amazon USAmazon UK
  24. 24
    Berwick2026 · confirmed 2/4
    2026–
    Buy at Amazon USAmazon UK

DCI Ryan Books in Chronological Order

By publication date, the DCI Ryan books run from Holy Island (2015) to Berwick (2026), the sequence in the table above. No separate story order is recorded for DCI Ryan in the book listings this catalogue merges, so publication order is the only order on record.

Do you have to read DCI Ryan books in order?

You should read the DCI Ryan books in publication order, the order of the numbered table above. The catalogue does not record whether each DCI Ryan book also stands alone.

What order should you read DCI Ryan books in?

Read them in publication order, starting with Holy Island (2015), the earliest published title. After it come Sycamore Gap (2015), Heavenfield (2016), Angel (2016) and High Force (2017); the numbered table above continues from there.

What is the newest DCI Ryan book?

Berwick (2026) is the newest DCI Ryan book released so far.

Is there a new DCI Ryan book coming?

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

DCI Ryan at a glance

Still running
DCI Ryan is still running, with a title published as recently as 2026.
Release pace
DCI Ryan books have appeared more than one a year on average.
Length
2,727 pages across the 10 of 24 books with a recorded length, a median of 278 pages each.
Busiest decade
Most DCI Ryan books, 15 of 24, were published in the 2010s.
Attribution
Of the 24 titles, 23 are credited to LJ Ross and 1 to L.J. Ross.

What the DCI Ryan books are about

3 of the 24 DCI Ryan books carry subject tags in Open Library's catalogue. The subjects below are the ones that recur across them, most frequent first: england is tagged on 2 of 3. The subjects are cataloguers’ headings, not a plot summary.

  • England 2 of 3 books
  • Mystery & detective 2 of 3 books
  • Crime 1 of 3 books
  • English literature 1 of 3 books
  • Meurtre -- Enquêtes -- Romans, nouvelles 1 of 3 books
  • Murder -- Investigation 1 of 3 books
  • Murder -- Investigation -- Fiction 1 of 3 books
  • Police 1 of 3 books
  • Police -- Fiction 1 of 3 books

Other series by LJ Ross

The series linked below has its own reading-order page.