J. S. Fletcher 
Ravensdene Court [EPUB ebook] 

The murder of two brothers at the same time. though six hundred miles apart, is only the first of many mysteries surrounding Ravensdene Court. How could the two brothers have been murdered when they were both on a ship that went down with all hands off the coast of China three years earlier? What was the significance of the etching on the tobacco box that disappeared from the inquest? Why was someone looking for the Chinaman Chuh Fen who supposedly went down on the same ship as the two murdered brothers? Find the answers in this tale of intrigue, mystery, and buried treasure within the pages of … Ravensdene Court. (Goodreads)