Books like A Prayer for the Ship
Douglas Reeman
A Prayer for the Ship is 255 pages, about 4 hours 41 minutes at 250 words a minute.
12 books to read next
How long each takes
Persuasion 4.9 h 
The Ship of Brides 9.1 h 
Victory of Eagles 7.0 h 
His Majesty's Dragon 6.5 h 
Fair Stood the Wind for France 4.7 h 
Throne of Jade 7.3 h 
The Second World War 13.3 h 
Commodore Hornblower 5.8 h 
Black Powder War 6.7 h 
Empire of Ivory 7.2 h 
H.M.S. Ulysses 5.9 h 
Ramage 5.9 h Bar height shows length. Estimated at 250 words a minute.