Mark O'Neill

Mark O'Neill

Upcoming Mark O'Neill Books

July 1st, 2024: The Last Line of Defence (Department 89, #17)

September 2nd, 2024: Matryoshka (Svetlana Kuznetsova, #1)

December 2nd, 2024: The Hit List (Department 89, #18)

March 3rd, 2025: The Syndicate (Department 89, #19)

Death to Spies (Department 89, #16) was the most recently released book by Mark O'Neill, on March 4th, 2024.

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Mark O'Neill Stats: The highest rated book by Mark O'Neill on Book Notification is The Renegade Spy, the first novel in the Department 89 series.

The most read book by Mark O'Neill on Book Notification is The Renegade Spy, the first novel in the Department 89 series. The second most read book is The Reichsbank Gold (Department 89 #2).

Below is a complete list of Mark O'Neill books in publication and chronological order, broken down by series. The most popular series by Mark O'Neill is the Department 89 Series.

List of Department 89 Books in Publication Order

# ReadTitle Avg. Year Book Link
1
102017
2
2017
3
2017
4
2017
5
2018
6
2018
7
2018
8
2018
9
2018
10
2019
11
2019
12
2020
13
2020
14
2020
15
2023
16
2024
17
2024
18
2024
19
2025

List of The Scorpion Books in Publication Order

List of Svetlana Kuznetsova Books in Publication Order

List of Undertaker Books in Publication Order

Mark O'Neill: Biography

Mark O'Neill is the author of the Department 89 series which currently consists of 19 novels. The Department 89 series started in 2017 with the novel The Renegade Spy. The most recently released novel in the Department 89 series was Death to Spies which was released in 2024. There are 3 upcoming novels for the Department 89 series: The Last Line of Defence which will be released on July 1st, 2024, The Hit List which will be released on December 2nd, 2024, The Syndicate which will be released on March 3rd, 2025.

Mark O'Neill has also written The Scorpion series which has 3 books including The Desert Scorpion and The Praetorian Scorpion.

Related Authors

The most common authors followed by users who also follow Mark O'Neill are:

  1. Stephen King, author of The Dark Tower Series.
  2. J.K. Rowling, author of the Harry Potter Series.
  3. Harlan Coben, author of the Myron Bolitar Series.
  4. Michael Connelly, author of the Harry Bosch Series.
  5. Brad Thor, author of the Scot Harvath Series.

Mark O'Neill: F.A.Q

What was the first book Mark O'Neill wrote?

The first novel written by Mark O'Neill was The Renegade Spy, published in 2017.

What was the most recent book Mark O'Neill wrote?

Their most recently released work was Death to Spies on March 4th, 2024.

Will there be any more books by Mark O'Neill?

Mark O'Neill has four new books coming out: The Last Line of Defence will be released on July 1st, 2024. Matryoshka will be released on September 2nd, 2024. The Hit List will be released on December 2nd, 2024. The Syndicate will be released on March 3rd, 2025.

How many books has Mark O'Neill written?

Mark O'Neill has written 24 books. 19 books in the Department 89 Series, 3 books in The Scorpion Series, 1 book in the Svetlana Kuznetsova Series, 1 book in the Undertaker Series.

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