a spoiler-safe reading companion
book art without spoilers.
Explore chapter-safe art, character visuals, discussions, and recaps that unlock only as far as you've read.
Chapter-locked. Spoiler-aware. Built for readers who hate accidental spoilers.
Example Book
You've read through chapter 6
the problem
Googling a character shouldn't ruin the book.
You just wanted to know what a character looked like. Then Google, Pinterest, Reddit, and fan art all betrayed you — three books ahead, in a single thumbnail.
Spoiler-filled search results
One image search and the villain's big twist is sitting right there in the previews.
Fan art from future chapters
Gorgeous art — of a scene you're two hundred pages away from reading.
Discussions that assume you finished
Every thread is a minefield of “wait until you find out who—.”
the fix
marginalia keeps pace with your reading.
Set your current chapter and everything stays behind a gate until you get there. Nothing ahead leaks — by design, enforced on the server.
Chapter-locked visuals
Art and character designs reveal themselves chapter by chapter, exactly as far as you've read — never a page sooner.
Safe discussions
Talk about what you've read with people at the same point in the story. No future-chapter ambushes.
Reader-led curation
Volunteer mods tag every piece to the right chapter, so the spoiler gate stays accurate and the library keeps growing.
become a curator
Help curate your favorite book.
Know a series inside out? Become a mod and build the spoiler-safe space you wish existed — chapter by chapter, for everyone reading after you.
Create chapter spaces
Set up a home for each chapter where art and notes can live.
Tag art and visuals
Place each piece at the right chapter so the gate stays honest.
Guide spoiler-safe discussions
Keep conversations welcoming and free of future-chapter leaks.
Help grow the library
Add the books you love and bring new readers in safely.
how it works
Read, unlock, discuss.
Choose your book
Find your current read in the library — or add it in a couple of taps.
Set your current chapter
Tell marginalia how far you've read. That sets your spoiler line.
Explore safely
Browse art, notes, recaps, and discussions — all locked to where you are.
Stay in the margins, not the spoilers.
Pick a book, set your chapter, and let the art catch up to you — never the other way around.