Maturin Murray Ballou was the author of dozens of books, chiefly centered around his extensive sea travel. He was deputy navy-agent in the Boston Custom House and circumnavigated in 1882, collecting material for several travel accounts and various nautical romances, amongst which The Sea-Witch can be counted.

Zanoni, a timeless Rosicrucian brother, cannot fall in love without losing his power of immortality; but he does fall in love with Viola Pisani, a promising young opera singer from Naples, the daughter of Pisani, a misunderstood Italian violinist. An English gentleman named Glyndon loves Viola as well, but is indecisive about proposing marriage, and then renounces his love in order to pursue occult study. The story develops in the days of the French Revolution in 1789. Zanoni has lived since the Chaldean civilization...