Farnol, Jeffery: Heritage Perilous, LIT v1, 14 February 2010.
Jeffery Farnol [1878–1952]
Heritage Perilous 
A historical novel with a romance; set during the Napoleonic wars. Sam Felton, a plain-spoken sailor, discovers that he has succeeded to the title (and fortune) of Earl of Wrybourne. Then things get complicated...
Features the detective, Mr Jasper Shrig.