Here is a PNP for the By Stealth and Sea (https://boardgamegeek.com/boardgame/294652/by-stealth-and-sea) by DVG.
By Stealth and Sea PNP (https://drive.google.com/file/d/18I7PTIYv8xppv2rHoHA0wzO6u3XeHEWX/view?usp=sharing)
If you enjoy the PNP, buy the game.