The Invisible Library
#4633.97 in the official ranking · full ranking
Books 8 books Status Complete 2015–2021 Reading commitment High Genevieve Cogman Last reviewed 2026-08-25
Overview
Irene is a spy and field agent for the Library, a mysterious organisation that collects unique works of fiction from an infinite set of alternate versions of Earth, ranging from orderly to overrun with chaos and magic, working alongside her apprentice-turned-partner Kai on missions to recover books whose absence would unravel the fabric of a given world. The eight-novel sequence (2015-2021) mixes detective-story plotting, dragons, Fae and interdimensional politics across worlds that blend steampunk aesthetics with open magic. Genevieve Cogman's creation has been singled out among notable librarian characters in modern fantasy fiction, and the series' premise, an infinite library staffed by field agents who steal books to preserve chaos-order balance across realities, has made it a recurring reference point for later portal fantasies built around libraries and archives.
Portal fantasy · For Adult
Core Canon: Reading Order (8 works) counts toward ranking
The Invisible Library Genevieve Cogman
| Work | Year | Internal chron. | Canon | Rating | |
|---|---|---|---|---|---|
 | The Invisible Library | 2015 | 1 | core | 3.74 (66,891 ratings) |
 | The Masked City | 2015 | 2 | core | 3.95 (28,821 ratings) |
 | The Burning Page | 2016 | 3 | core | 4.05 (21,987 ratings) |
 | The Lost Plot | 2017 | 4 | core | 4.17 (17,810 ratings) |
 | The Mortal Word | 2018 | 5 | core | 4.19 (14,458 ratings) |
 | The Secret Chapter | 2019 | 6 | core | 4.17 (11,635 ratings) |
 | The Dark Archive | 2020 | 7 | core | 4.18 (10,079 ratings) |
 | The Untold Story | 2021 | 8 | core | 4.30 (8,561 ratings) |
An eight-novel sequence following Irene, a spy-librarian who collects works of fiction from alternate versions of Earth for an interdimensional Library.
Quick answers
- How many books are in The Invisible Library? The Invisible Library's Core Canon is 8 books.
- What is the reading order for The Invisible Library? Publication order, starting with The Invisible Library. Full list and years in the Core Canon table above.
- Is The Invisible Library finished? Complete (2015–2021).
- How much reading does The Invisible Library take? High reading commitment (estimated from 8 Core Canon books).
- How is The Invisible Library ranked? #463 in this site's official ranking, based on 180,242 reader ratings across 8 Core Canon books. See the full ranking for how this is calculated.
Why is it ranked #463?
Ranked #463 in the official ranking.
- Average reader rating of 3.97 across 8 core books.
- Backed by 180k reader ratings.
- Uneven reception: its books range from 3.74 to 4.30.
- Less than 0.01 behind #462, The Deathless (a finer tie-break level decides the order).
- Below the top-10 average of 4.45.
Why explore this universe?
Well rated · 8 books · Complete · 180k ratings · Ranks #463 overall
Good choice if you want a long-running portal fantasy universe that's already finished, so there's no wait for the next book.
Reading order
Publication order (8 Core Canon books)
- The Invisible Library (2015)
- The Masked City (2015)
- The Burning Page (2016)
- The Lost Plot (2017)
- The Mortal Word (2018)
- The Secret Chapter (2019)
- The Dark Archive (2020)
- The Untold Story (2021)
Documented internal/story chronology is recorded for every Core Canon book here, and matches publication order exactly, with no divergence to show separately.
Awards (verified)
- No awards found for this universe.
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Suggestions computed from what The Invisible Library and each of these worlds have in common on record (subgenre, audience, shape, reading commitment and score), not a documented narrative connection.
- Wayward Children Portal fantasy · Ongoing · High commitment · 3.94
- Guardians of the Flame Portal fantasy · Complete · High commitment · 3.92
- The Dragon Knight Portal fantasy / Comic fantasy · Complete · High commitment · 3.88
- Barsoom Portal fantasy / Sword & sorcery · Complete · High commitment · 3.83
Official resources
Research details
Ranking metrics: weighted average 3.97 across 180,242 ratings on 8 Core Canon books. See Why is it ranked here? above for the full breakdown, or the full ranking.
How do we know this?
Admission: Admit The Invisible Library accepted 2026-08-25
Sources: (see source tier definitions)
- Wikipedia: Genevieve Cogman Tier 2
Last reviewed: 2026-08-26
Rule: Core = the complete eight-novel main sequence.