Start with high-confidence submarines books, then narrow by subgenre or adjacent topics.
Submarine
Tom Clancy, John Gresham
Red Star Rogue
Kenneth Sewell, Clint Richmond
The World Encyclopedia of Submarines
John Parker, Francis Crosby
Submarine Aircraft Carriers
Jacob Gunnarson, Norman Polmar
Nautilus to Columbia
James C. Goodall
U-boat Vs Royal Navy Capital Ship
Mark Lardas, Edouard A. Groult
Soviet Motor Torpedo Boats of World War II
Przemyslaw Budzbon
Royal Navy Monitors of World War II
Angus Konstam, Adam Tooby
The Death of the USS Thresher
Norman Polmar
Submarine Diary
Corwin Mendenhall, Corwin Mendenhall USN (Ret.)
U.s. Submarines Since 1945, Revised Edition
Norman Friedman PhD., Jim Christley
Submarines of World War II
E V Martindale
Submarines
David Ross
