The Maracot Deep

"The Maracot Deep" is a sea adventure novel by Arthur Conan Doyle about the discovery of the sunken city of Atlantis by a team of explorers led by Professor Maracot. He is accompanied by Cyrus Headley, a young research zoologist and Bill Scanlan, an expert mechanic working with an iron works in Philadelphia who is in charge of the construction of the submersible vessel which the team takes to the bottom of the Atlantic. But with the strange creatures lurking beneath the surface of the deep, their trip might not be as uneventful as they had planned…