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 The Rising Sea; the Oregon Files, such as Shadow Tyrants; the Isaac Bell historical thrillers, which began with The Chase; and the recent Fargo Adventures, which lastly included The Oracle. Cussler died in February 2020.