Bomben auf Monte Carlo (novel)
In the novel, the penniless captain of a vessel puts into Monte Carlo, hoping to raise money at the gaming tables to pay his crew. While there he becomes entangled with a monarch in disguise.
The story has been made into four films at the time of writing. In 1931 the German film Bombs on Monte Carlo was made, with a French-language version Captain Craddock and an English-language version Monte Carlo Madness made at the same time.