Screaming Map
This will show you the way to Polythreme. Don't go.
The quest to acquire the Screaming Map begins with the following bronze bordered card.

Matters Cartographical
Do you know where you're going?
Unlocked with Route: Wolfstack Docks 1Boast of your cartographical prowess
There's nothing the cartographers of London like more than an evening of roaring and rum down the Blind Helmsman. Your maps are the best!
(Dangerous Challenge Straightforward at 86)Pay a Retired Zee-Captain to tell you about the Screaming Map
They say it's the only safe way to get to Polythreme, where everything is alive. You can obtain Map Scraps by using Glim, or by embarking on a Scientific Expedition.
Unlocked with Map Scrap x 50
Once you are on the quest for the Screaming Map (Polythreme Ho! 1), the following opportunity will be available at Wolfstack Docks. You will need to collect two map halves (the right and the left). The storylet below allows you to acquire those halves.

Finding the Screaming Map: beginning the search
Somewhere in these wharfs and warehouses, someone knows where to find a Screaming Map half. [You will need to complete any other Cat and Mouse activities before you can do this. You also won't be able to do this if you're waiting for a certain message.]
Unlocked with Polythreme Ho! 1Seek out the Disgruntled Naval Officer
He's a little too principled to advance to captainhood. He has the left-hand side of the map, but won't be seen with just anyone.You will lose your Glim whether you pass or fail this challenge.
Unlocked with Glim x 500, Respectable 1
(Respectable Challenge Straightforward at 6)Hunt down the Enterprising Astronomer
The Enterprising Astronomer sells singular items, like the right-hand part of the map. He prefers his customers to be equally singular. You will lose your Zee-Ztories whether you pass or fail this challenge.
Unlocked with Zee-Ztory x 10, Bizarre 1
(Bizarre Challenge Straightforward at 10)Look for the Masked Clay Man
What would make a lumbering Clay Man wear a mask? Don't they all look alike anyway? He has the right-hand part of the map, but he'll only deal with you if your reputation is appropriately fierce. You will lose your Partial Maps whether you pass or fail this challenge.
Unlocked with Partial Map x2, Dreaded 1
(Dreaded Challenge Straightforward at 10)
You must acquire two halves of the Screaming Map the Screaming Map: Right Hand Half and the Screaming Map: Left Hand Half.
Once you acquire the Screaming Map: Right Hand Half and the Screaming Map: Left Hand Half, you can then use the following opportunity will be available at your lodgings to assemble the Screaming Map.

Dealing with your Screaming Map
Time to put the pieces together. Or sell them.
[Unlocked with Polythreme Ho! 1]
Assemble your Screaming Map
The key to Polythreme. Although - do you really want to go there?
[Unlocked with 1 x Screaming Map: Right-Hand Half]
[Unlocked with 1 x Screaming Map: Left-Hand Half]
[Unlocked with no more than 0 x Screaming Map]
Sell the left-hand side
It's keeping you up at night and frightening your pets. Get rid of the thing. This will let you exchange it for Presbyterate Passphrases.
[Unlocked with 1 x Screaming Map: Left-Hand Half]
Sell the right-hand side
The postman still won't call. Best to sell the thing. It will fetch Muscaria Brandy.
[Unlocked with Connected: Hell 1]
[Unlocked with 1 x Screaming Map: Right-Hand Half]
Sell the right-hand side to certain parties
A person of standing, such as yourself, should be able to get a better price for the map-half. Your price will be Puzzling Maps.
[Unlocked with 1 x Screaming Map: Right-Hand Half]
[Unlocked when A Person of Some Importance is: A Significant Individual, A Paramount Presence, A Shattering Force, A Legendary Charisma, An Invisible Eminence, or An Extraordinary Mind]
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