NUMA Files

Serpent(With: Paul Kemprecos)

1999

Blue Gold(With: Paul Kemprecos)

2000

Fire Ice(With: Paul Kemprecos)

2002

White Death(With: Paul Kemprecos)

2003

Lost City(With: Paul Kemprecos)

2004

Polar Shift(With: Paul Kemprecos)

2005

The Navigator(With: Paul Kemprecos)

2007

Medusa(With: Paul Kemprecos)

2009

Devil's Gate(With: Graham Brown)

2011

The Storm(With: Graham Brown)

2012