Check your post (Advent)
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| A player-created Guide is available for this content: Advent Calendar |
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From: Advent: A Calendar of Encounters/2023
Thick wax paper – four layers of it! – tied with sturdy twine and sealed with a crest not to be found in any edition of Burke's Peerage.
Unlocked with 
Days of Advent is 13 (World Quality, currently unlocked), 
Opening the Doors exactly 12
Success
Antibiographica
The book details […] a person unmistakably you, but living a life that bears little resemblance to the one you inhabit now. […]
When kept with other books it causes […] words to shift and change. Hide it over here, for now – on the shelf with the big lock.[Find the rest of the story at https://www.fallenlondon.com]
13: Some books cannot be unread. (Sets 
Opening the Doors to 13)
You've gained 1 x Caustic Apocryphon
Nightmares is increasing… (+2 CP, up to level 6)
With 
Days of Advent exactly 13:
You've gained 1 x Extraordinary Implication
