Zero Hour

Clive Cussler was the author and co-author of a great number of international bestsellers, including the famous Dirk Pitt® adventures, such as Celtic Empire; the NUMA® Files adventures, most recently Fast Ice; the Oregon Files, such as Marauder; the Isaac Bell historical thrillers, which began with The Chase; and the recent Fargo Adventures, which lastly included Wrath of Poseidon. Cussler died in 2020.

Graham Brown, a former pilot and lawyer and later part of a start-up healthcare firm, decided he hadn't had enough different careers yet and decided to become a writer.

A huge fan of Clive Cussler, Michael Crichton, Stephen King and television shows like the X-filesand Lost, Graham's first novel Black Rain debuted in January 2010. He has now co-written five NUMA Files novels with Clive Cussler: Devil's Gate, The Storm, Zero Hour, Ghost Ship and The Pharaoh's Secret.