NUMA Files

1 Serpent (1999) (with Paul Kemprecos)
2 Blue Gold (2000) (with Paul Kemprecos)
3 Fire Ice (2002) (with Paul Kemprecos)
4 White Death (2003) (with Paul Kemprecos)
5 Lost City (2004) (with Paul Kemprecos)
6 Polar Shift (2005) (with Paul Kemprecos)
7 The Navigator (2007) (with Paul Kemprecos)
8 Medusa (2009) (with Paul Kemprecos)
9 Devil's Gate (2011) (with Graham Brown)
10 The Storm (2012) (with Graham Brown)
11 Zero Hour (2013) (with Graham Brown)
12 Ghost Ship (2014) (with Graham Brown)
13 The Pharaoh's Secret (2015) (with Graham Brown)
14 Nighthawk (2017) (with Graham Brown)
15 The Rising Sea (2018) (with Graham Brown)
16 Sea of Greed (2018) (with Graham Brown)
17 Journey of the Pharaohs (2020) (with Graham Brown)
18 Fast Ice (2021) (with Graham Brown)
19 Dark Vector (2022) (with Graham Brown)
20 Condor's Fury (2023) (with Graham Brown)
21 Desolation Code (2024) (with Graham Brown)

The Numa Files Collection (2002) (with Paul Kemprecos)