Rockhopper's Key Pin

Rockhopper's Key is a pin in Snowy Penguin. It is hidden at the back of The Journal of Captain Rockhopper in the Book Room, and all players can obtain it. This pin is needed to enter the Captain's Quarters on The Migrator

Riddle
So ye want in my Quarters?

Well I've hidden the key!

It's found in an item

That's personal to me.

Now don't despair,

The riddle's easier than it looks

Just go to a room

That's abound with books!