Captain Antifer's father had befriended an Egyptian prisoner at Jaff [Jaffa], Kamylk Pasha, and many years after he received a mysterious document naming latitude 24 degrees 59 minutes north, and saying that the longitude would follow later. It never did; but Antifer succeeded in discovering it, and had a series of most exciting adventures in searching for the wealth which was to be found on the spot indicated.

Genre: Thriller