HMS DIAMOND (Sir Sidney Smith Novels #2) by Tom Grundner

After surviving the horrors of the destruction of Toulon, Sir Sidney is given a critical assignment. British gold shipments are going missing. Even worse, the ships are literally disappearing in plain sight of their escorts and the vessels around them. The mystery must be solved if Britain is going to maintain its lines of credit and continue to finance the war. But to do that Sir Sidney must unravel a web of intrigue that leads all the way to the Board of Admiralty.

This Fireship Press series is based on the life of Admiral Sir Sidney Smith (1764-1840)