Complex sentence: Finally, he recounts the exciting story of the Grosvenor, an English bound Mercantile ship that ran aground on 4 August 1782 in South Africa-and of the 125 who made it on shore-only 13 survived the trip back to civilization.
Split into simpler sentences: Finally, he recounts the exciting story of the "Grosvenor", an English-bound Mercantile ship that ran aground on 4 August 1782 in South Africa. Of the 125 who made it to shore, only 13 survived the trip back to civilization.