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Publication Order of John Barron/Nicholas Marten Books
| The Exile | (2004) | Hardcover  Paperback  Kindle |
| The Machiavelli Covenant | (2006) | Hardcover  Paperback  Kindle |
| The Hadrian Memorandum | (2009) | Hardcover  Paperback  Kindle |
Publication Order of Standalone Novels
| The Day After Tomorrow | (1994) | Hardcover  Paperback  Kindle |
| Day of Confession | (1998) | Hardcover  Paperback  Kindle |