Complex sentence: Writing in the first person, Doyle tells his story as a survivor of the "Mary Celeste", the real ship that was found abandoned and adrift in the Atlantic Ocean in 1872.
Split into simpler sentences: Writing in the first person, Doyle tells the story of a survivor of the "Marie Celeste". It is based on the true story of the "Mary Celeste", a ship that was found abandoned and adrift in the Atlantic Ocean in 1872.