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Publication Order of Inspector O Books
| A Corpse in the Koryo | (2006) | Hardcover  Paperback  Kindle |
| Hidden Moon | (2007) | Hardcover  Paperback  Kindle |
| Bamboo and Blood | (2008) | Hardcover  Paperback  Kindle |
| The Man with the Baltic Stare | (2010) | Hardcover  Paperback  Kindle |
| A Drop of Chinese Blood | (2012) | Hardcover  Paperback  Kindle |
| The Gentleman from Japan | (2016) | Hardcover  Paperback  Kindle |