Bob mentioned a boat being needed to reach PPH way out on the island - we should go have a look for it.
This is the low-spoiler guide for "Following Bob's leads" puzzle in Dexter Stardust: Adventures in Outer Space. Unlike in normal walkthrough, you get gradual hints on how to solve the puzzle. Click the big button below to see your first hint. If the hint contains a spoiler, you will be warned about it before clicking.