18 Works in Catherine (The Invisible Library)
Listing Works
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Summary
Catherine's girlfriend comes over for a visit
Series
- Language:
- English
- Words:
- 552
- Chapters:
- 1/1
- Hits:
- 1
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Teaching Road Safety: A Guide for Parents by the_bravest_pigeon
Fandoms: The Invisible Library - Genevieve Cogman
09 Jun 2025
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Summary
Alberich and toddler Catherine go on a fun walk.
Series
- Part 17 of Grandpa AU
- Language:
- English
- Words:
- 637
- Chapters:
- 1/1
- Comments:
- 3
- Hits:
- 5
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All the shades of the rainbow by MossyFlossy
Fandoms: The Invisible Library - Genevieve Cogman
01 Jun 2025
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Summary
Pride themed one shots
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Picture perfect 2 electric boogaloo by MossyFlossy
Fandoms: The Invisible Library - Genevieve Cogman
01 Jun 2025
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Summary
7 days (hopefully) of fanfiction inspired by picture prompts over on tumblr
Check notes for tags -
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Summary
Catherine has a great day at her dance class. Zayanna and Alberich less so.
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It's picture prompt week! Based on shitpostsfromtheinvisiblelibrary's prompt week for this fandom (go find their tumblr).
The prompt was a photo of baby pink fabric.Series
- Part 18 of Grandpa AU
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Summary
Catherine's first kiss
Series
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Irene and Kai are meddling in Catherine's new relationship
Series
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Both Unwanted Daughters by MossyFlossy
Fandoms: The Invisible Library - Genevieve Cogman
19 Mar 2025
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Summary
Let them live, let them get past this, let them be happy- there might be a place where she would see them again.
Let Catherine grow up happy.
Let Kai and Vale tell her the stories of their adventures together.
Let Catherine know her even if she couldn’t be there to hold her and love her.An AU where Catherine is a newborn baby left for Irene to raise, leading up to and covering the events of the Dark Archive. Inspired by a piece of fanart by Binnie on tumblr
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Petal by the_bravest_pigeon for MossyFlossy
Fandoms: The Invisible Library - Genevieve Cogman
03 Mar 2025
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Summary
Irene and Kai do foster care. Then there's Catherine.
Series
- Part 14 of Grandpa AU
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Burnt umber and Cadnium yellow by MossyFlossy
Fandoms: The Invisible Library - Genevieve Cogman
14 Feb 2025
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Summary
Catherine thinks Kai's younger sister is cute
Kai's younger sister thinks Catherine is cute.Series
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On the First day of Christmas Fanfic gave to me... by MossyFlossy
Fandoms: The Invisible Library - Genevieve Cogman
05 Jan 2025
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Summary
12 days of Christmas fanfics
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Summary
Irene and Kai need a babysitter for baby Catherine.
Series
- Part 16 of Grandpa AU
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A Christmas special set four years after Both Unwanted Daughters
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Second Sunday: Prussian Blue by the_bravest_pigeon
Fandoms: The Invisible Library - Genevieve Cogman
08 Dec 2024
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Summary
Catherine and Alberich go gift shopping.
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It’s Grandpa AU time! I should move the other stuff over from tumblr at some point. Also, this would technically be set in 2037 with the timeline we set up… but since I already ignore inventions made in recent years, I’ll be happy to pretend the same for 2037.
Second Sunday of our Invisible Advent: last minute gift shopping
Series
- Part 2 of Invisible Advent Prompts
- Part 19 of Grandpa AU
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Advent: book recommendations by MossyFlossy
Fandoms: The Invisible Library - Genevieve Cogman
07 Dec 2024
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Summary
Inspired by the prompt last minute or forgotten Christmas presents chosen by the_bravest_pigeon on our discord
Catherine is dropped off to start her life as Irene's student just before Christmas
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Summary
Please read the notes for tags, warnings and summaries for each chapter
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Do You Fancy A Fine Fiction? by Jarmara
Fandoms: The Invisible Library - Genevieve Cogman, Our Flag Means Death (TV)
02 Jun 2022
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Summary
Crossover Invisible Library (Genevieve Cogman) and Our Flag Means Death.
Alternate reality-hopping book thieves meet pirate rom-comKai accidentally saves Lucius from drowning and now Irene is stuck with him while she tries to steal the copy of Pinocchio that shouldn't exist.
As ever, what should be a simple mission gets complicated.“Irene!” Catherine spat, you realise what they’re going to do? Irene, we have to save them”
“Yes, I realise, Catherine, but that’s still a cohort of bloodthirsty pirates who would kill you as soon as look at you, you can’t just burst in there. I think of something, I promise”
“What, what is it?” Lucius asked anxiously, “What’s Ed doing to them?”
“He’s going to throw them all overboard!” cried Catherine, beside herself. “They’ll all be lost, those poor precious-”
“No!” wailed Lucius, “We can’t let that happen, where’s your monster thing, can it save them, like it did me?”
“The Monster Thing,” Irene explained carefully, “is Kai. he’s a dragon, his element is Water. This is just his human form, please don’t refer to his true form as a Monster, it’s rude”
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the closer we get, the bigger the shadows by Lumau
Fandoms: The Invisible Library - Genevieve Cogman
28 May 2021
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Summary
7 chapters, each focussing on one of the main / favorite characters
(written for 2021 Invisible Library Character Appreciation Week)