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Publication Order of Standalone Novels
| A Gathering of Spies | (2000) | Hardcover  Paperback  Kindle |
| A Game of Spies | (2002) | Hardcover  Paperback  Kindle |
| Deception | (2003) | Hardcover  Paperback  Kindle |
| The Watchmen | (2004) | Hardcover  Paperback  Kindle |
| The Art of the Devil | (2014) | Hardcover  Paperback  Kindle |
| Disposable Asset | (2015) | Hardcover  Paperback  Kindle |
| False Flag | (2017) | Hardcover  Paperback  Kindle |
| The Korean Woman | (2019) | Hardcover  Paperback  Kindle |