Order of Book Series
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Unfinished Business Books in Order by Heather Atkinson

Unfinished Business by Heather Atkinson contains 12 books, published between 2015 and 2026. The first book is Unfinished Business (2015) and the newest is Hellfire (2026). Publication order is the reading order below.

Other series are also called Unfinished Business: Unfinished Business Books in Order: 2 Different Series.

Books
12
Published
2015–2026
See all 12 books in order Printable Unfinished Business checklist

Unfinished Business is a series by Heather Atkinson that has reached 12 books. The first shares the series name, Unfinished Business (2015), and Face in the Frame appeared the same year. Later titles include The Secret Keeper, Pound of Flesh, The Devil Inside, Nest of Vipers and Web of Lies. Hellfire (2026) is the newest, and the series is ongoing.

How many Unfinished Business books are there?

Unfinished Business has 12 books, released between 2015 and 2026.

Unfinished Business Books in Publication Order

The table lists all 12 Unfinished Business books in the order they were published, with the release year and how many independent book listings confirm each title. Catalogue data as of September 2026.

  1. 1
    Unfinished Business2015 · confirmed 1/4
    2015–
    Buy at Amazon USAmazon UK
  2. 2
    Face in the Frame2015 · confirmed 1/4
    2015–
    Buy at Amazon USAmazon UK
  3. 3
    The Secret Keeper2016 · confirmed 1/4
    2016–
    Buy at Amazon USAmazon UK
  4. 4
    Pound of Flesh2018 · confirmed 1/4
    2018–
    Buy at Amazon USAmazon UK
  5. 5
    In The Shadows2018 · confirmed 1/4
    2018–
    Buy at Amazon USAmazon UK
  6. 6
    The Devil Inside2019 · confirmed 1/4
    2019–
    Buy at Amazon USAmazon UK
  7. 7
    Ghosts of the Past2020 · confirmed 1/4
    2020–
    Buy at Amazon USAmazon UK
  8. 8
    Nest of Vipers2021 · confirmed 1/4
    2021–
    Buy at Amazon USAmazon UK
  9. 9
    The Hydra's Head2023 · confirmed 1/4
    2023–
    Buy at Amazon USAmazon UK
  10. 10
    Web of Lies2024 · confirmed 1/4
    2024–
    Buy at Amazon USAmazon UK
  11. 11
    Puppet Master2025 · confirmed 1/4
    2025–
    Buy at Amazon USAmazon UK
  12. 12
    Hellfire2026 · confirmed 1/4
    2026–
    Buy at Amazon USAmazon UK

Is there a chronological order for Unfinished Business?

No separate chronological order is on record for Unfinished Business, because none of the book listings this catalogue draws on publishes one; the publication order above is the only order given.

Do you have to read Unfinished Business books in order?

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

Where to start with Unfinished Business

Start with Unfinished Business (2015), the earliest published title.

What is the newest Unfinished Business book?

Hellfire (2026) is the newest Unfinished Business book released so far.

Is there a new Unfinished Business book coming?

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

Unfinished Business at a glance

Still running
Unfinished Business is still running, with a title published as recently as 2026.
Release pace
Unfinished Business books have appeared about one a year on average.
Busiest decade
Most Unfinished Business books, 6 of 12, were published in the 2020s.

More books by Heather Atkinson

The author page linked below lists every book in publication order.

Other series by Heather Atkinson

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