The Invisible Library by Genevieve Cogman

The Invisible Library (The Invisible Library, #1)

by Genevieve Cogman

One spy. One dangerous book. One deadly mission. The first in a delightful fantasy mystery series, The Invisible Library is the astounding debut from Genevieve Cogman.

Irene must be at the top of her game or she'll be off the case – permanently . . .


Irene is a professional spy for the mysterious Library, which harvests fiction from different realities. Along with her new assistant Kai, she's posted to an alternative London. Their mission – to retrieve a dangerous book. But lo and behold, when they arrive, it's already been stolen. London's underground factions seem prepared to fight to the very death to find her book.

In this world teeming with supernatural creatures and unpredictable magic, Irene soon finds herself up to her eyebrows in a heady mix of danger, clues and secret societies. And Kai is also hiding secrets of his own. Yet failure is not an option – the nature of reality itself is at stake.

'It's a breath of fresh air' – Guardian

Continue the journey with the second adventurous title in the The Invisible Library series, The Masked City. Genevieve is also the author of the Sunday Times bestselling Scarlet - which reimagines the tale of The Scarlet Pimpernel, but with vampires, mages and magic . . .

Reviewed by Briana @ Pages Unbound on

3 of 5 stars

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3.5 stars.

There’s something about a book about books that is irresistibly alluring to readers, something that whispers confidingly I understand, we like the same things—but I have often found these types of books do not live up to their promises. Fortunately, The Invisible Library steers clear of the trap of making excessive allusions to famous works of literature or quoting them slyly. Unlike so many other books about books, it does not attempt to prove its literary merit by dragging in references to classics kicking and screaming; instead, it celebrates books in the general sense—the stories, the knowledge, the power, the smell, and the comfort. And it pays homage to the Victorian detective novel by placing protagonist Irene into her own modern version of penny dreadful.

Irene has always had a secret yearning to meet a Great Detective, maybe even be one, and she gets her big chance when she is sent to retrieve a book from an alternate London where zeppelins fill the skies but vampires, werewolves, and Fae roam the streets. What should have been a relatively in and out job of stealing a unique copy of Grimms’ fairy tales quickly gets complicated when someone else steals the book first—and at leave three other groups are trying to hunt it down. Irene must decide whom to trust, and how much she really owes the Library, before she is killed—or, worse, corrupted by chaotic magic.

The Invisible Library is, simply put, a lot of fun. Irene and her mysterious, swoony trainee Kai get into a ton of scrapes while searching for their book, facing down magical creatures, a nosy colleague, and the Library’s most legendary enemy. And most of it goes down in a richly imagined magical, but distinctly Victorian, London.

There are moments where the pacing of the book is slow. Important conversations will be interrupted by passages of mental musings. Characters will hold long conversations when they are supposedly short on time and something dramatic should be happening any second. And despite the fact that Irene and her compatriots really are intelligent, there are times they just are not as clever as they think and take a long while to state the obvious. Even worse, other people will then praise them for it. (“Well, someone saw the subject at 11:00 pm and he was dead by 1:00 am, so he must have been murdered between 11:00 and 1:00!” “Why, yes! How clever of you!”) Though noticeable, these interruptions are not really a deal breaker for the novel, which generally does have a lot of action—and character development—going on.

Though Irene can be amusingly literal and detail-oriented (How does one gracefully remove one’s hand from a handhold???), the tone of the novel tends to be either serious or dryly humorous. This does not match my own sense of humor, but it did not bother me the way some mismatches in humor do.

Overall, The Invisible Library is a thoughtful, delightful read. Though the book is slated to be part of a trilogy, it stands just well enough on its own. I still have many open questions about the world, including the Grimm books Irene was seeking (even after the big reveal of its contents). However, I'm not yet certain whether I want to return for the sequels, or if I am satisfied having read as much as I have.

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Reading updates

  • Started reading
  • 9 June, 2015: Finished reading
  • 9 June, 2015: Reviewed