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Publication Order of Alex Shepherd Books
| Absolute Vengeance | (2017) | Hardcover  Paperback  Kindle |
| I Am The Sheepdog | (2018) | Hardcover  Paperback  Kindle |
| N.O. Justice | (2021) | Hardcover  Paperback  Kindle |
Publication Order of Spectre Books
| Spectre Rising | (2013) | Hardcover  Paperback  Kindle |
| Spectre: Origins | (2013) | Hardcover  Paperback  Kindle |
| Avoid. Negotiate. Kill. | (2014) | Hardcover  Paperback  Kindle |
| Archangel Fallen | (2015) | Hardcover  Paperback  Kindle |
| Executive Reaction | (2015) | Hardcover  Paperback  Kindle |
| Brick by Brick | (2016) | Hardcover  Paperback  Kindle |
| Stand Against Evil | (2016) | Hardcover  Paperback  Kindle |
| The Helios Conspiracy | (2018) | Hardcover  Paperback  Kindle |
| Fini Flight | (2019) | Hardcover  Paperback  Kindle |