La Isla Blanca", which was expanded into a 53 page e-book of the same name under the Sea Lion Press banner (although now that I look at it, $2.99 is a steep price for such a short "book"). A brief summary of the story: the Spanish Armada occupies the Isle of Wight and this severely alters the histories of both Spain and Britain. In fact, the "La Isla Blanca" timeline can almost be seen as the mirror universe to our own history. France has a 20th century similar to Germany's, which Russia/Middle East and Korea/Japan appeared to have switched places as well. There are a lot interesting references to today's geopolitical situation scattered throughout the map and part of the fun is trying to find them all.
As for the map itself, it is the Munroist style with tons of details and snarky humor. Really not much to say other than that. If you are not a fan of the style, you probably won't like this map, but I personally feel you would be missing out if that was true.
Honorable mention this week goes out to Rvbomally's "War Never Changes".
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Matt Mitrovich is the founder and editor of Alternate History Weekly Update, a blogger on Amazing Stories and a Sidewise Awards for Alternate History judge. When not writing he works as an attorney, enjoys life with his beautiful wife Alana and prepares for the day when travel between parallel universes becomes a reality. You can follow him on Facebook, Twitter and YouTube. Learn how you can support his alternate history projects on Patreon.