A.J. Hartley Books in Order
A.J. Hartley has written 26 books, published between 2002 and 2025. The first book is Impervious (2002) and the newest is Time Rider (2025). Publication order is the reading order below.
- Books
- 26
- Published
- 2002–2025
- Pages on record
- 5,566 in 13 of 26 books
- Reading time
- 93–139 hours
Reading time is an estimate, not a recorded figure: 5,566 pages at 300 words a page, read at 200–300 words a minute, covering the 13 of 26 titles with a page count on record.
Born 7 August 1964, A.J. Hartley is a British-born American novelist who writes for children and for adults, and who publishes thrillers under the name Andrew Hart. Subject tags across the catalogue name fantasy, thrillers, science fiction, conspiracies and mystery and detective stories. The 26 catalogued books run from Impervious (2002) to Time Rider (2025) and take in The Mask of Atreus (2005), On the Fifth Day (2007) and Tears of the Jaguar (2012). Series headings are Will Hawthorne, Darwen Arkwright, Steeplejack, Sekret Machines, Cold Bath Street and Planet of Blood and Ice.
Source: Wikidata
How many A.J. Hartley books are there?
A.J. Hartley has 26 books, released between 2002 and 2025. They include 7 series and 8 titles listed outside any series.
A.J. Hartley Books in Publication Order
The table lists all 26 A.J. Hartley 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.
- 1Impervious2002 · confirmed 1/42002–1/4
- 2The Mask of Atreus2005 · 400 pages · confirmed 1/420054001/4
- 3On the Fifth Day2007 · 405 pages · confirmed 1/420074051/4
- 4What Time Devours2008 · 402 pages · confirmed 1/420084021/4
- 520093841/4
- 620104161/4
- 72011–1/4
- 82012–1/4
- 9Tears of the Jaguar2012 · confirmed 1/42012–1/4
- 1020133421/4
- 112013–1/4
- 122013–1/4
- 132016–1/4
- 1420167041/4
- 1520163341/4
- 1620173521/4
- 1720173341/4
- 182018–1/4
- 1920186881/4
- 2020183171/4
- 212019–1/4
- 222019–1/4
- 232019–1/4
- 24Burning Shakespeare2022 · confirmed 1/42022–1/4
- 25Trinity2024 · confirmed 1/42024–1/4
- 26Time Rider2025 · 488 pages · confirmed 1/420254881/4
A.J. Hartley series in order
The series linked below has its own reading-order page.
- Sekret Machines books in order 3 books
A.J. Hartley 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.
Will Hawthorne in order
4 booksDarwen Arkwright in order
3 booksSteeplejack in order
3 books- 1. Steeplejack
- 2. Firebrand
- 3. Guardian
Cold Bath Street in order
2 booksBeyond the Mirror in order
2 booksShort Stories / Novellas
1 book1 title published under this heading without a numbered place in a series.
Planet of Blood and Ice in order
1 bookStandalone books
8 books8 A.J. Hartley titles here are not listed as part of any series.
Do you have to read A.J. Hartley books in order?
You only need to read A.J. Hartley books in order within each series: the books listed here span 7 separate series, and each series has its own publication order.
Where to start with A.J. Hartley
Start with Chasing Shadows (2016), the first Sekret Machines book. The earliest catalogued title overall is Impervious (2002).
What is the newest A.J. Hartley book?
Time Rider (2025) is the newest A.J. Hartley book released so far.
Is there a new A.J. Hartley book coming?
No next A.J. Hartley book is announced in the catalogue, which is a gap in the listings it merges rather than a sign that the run has ended.
Awards A.J. Hartley has won
Wikidata records 1 award for A.J. Hartley. Each row states whether the title won or was shortlisted, and the year the award was given. Award data is sourced from Wikidata.
- Manly Wade Wellman Award2017Won
A.J. Hartley at a glance
- Still publishing
- A.J. Hartley published a book as recently as 2025.
- Release pace
- A.J. Hartley books have appeared about one a year on average.
- Length
- 5,566 pages across the 13 of 26 books with a recorded length, a median of 400 pages each.
- Busiest decade
- Most A.J. Hartley books, 18 of 26, were published in the 2010s.
When A.J. Hartley books were published
Publication distribution by decade, showing when A.J. Hartley titles appeared. 2010s was the most productive decade with 18 titles.
26 books total across 3 decades. Decade reflects the year each title was first catalogued.
What the A.J. Hartley books are about
16 of the 26 A.J. Hartley books carry subject tags in Open Library's catalogue. The subjects below are the ones that recur across them, most frequent first: fantasy is tagged on 6 of 16. The subjects are cataloguers’ headings, not a plot summary.
- Fantasy 6 of 16 books
- Children's fiction 5 of 16 books
- Conspiracies 4 of 16 books
- Thrillers 3 of 16 books
- Action & adventure 2 of 16 books
- Investigation 2 of 16 books
- Mirrors 2 of 16 books
- Murder 2 of 16 books
- Mystery & detective 2 of 16 books
- Science fiction 2 of 16 books