Marshall, Archibald: Upsidonia. v1. 30 Mar 2014
 

Arthur Hammond Marshall (6 September 1866 – 29 September 1934), better known by his pen name Archibald Marshall, was an English author, publisher and journalist whose novels were particularly popular in the United States. He published over 50 books and was recognized as a realist in his writing style, and was considered by some as a successor to Anthony Trollope. Educated at Cambridge University, he was later (in 1921) made an honorary Doctor of Letters by Yale University. He travelled widely and made numerous notable acquaintances.

Excerrpt
For anything but a cave, I should have done my best to shake him off, but I have a great love of caves, especially of those which go mysteriously back into the bowels of the earth, and no one knows their ending. They are full of romance, and call up all sorts of delightful visions. From Eastern tales of magic and treasure to brisk tales of smugglers, the entrance to a cave has always been the entrance to regions of mystery, in which anything may happen. So I immediately accepted the invitation to visit these caves, which were only a few hundred yards away from the main road.