About 11 h 45 min · at 30 minutes a day, about 24 days
Estimated from the page count of this edition. Dense books can take longer than the estimate.
About the book
Clary’s boyfriend, Jace, is magically bound to her brother Sebastian: he now serves Sebastian’s purposes, and killing one would kill the other. In contemporary New York’s hidden world of demon hunters, the Shadowhunters’ governing body wants Sebastian destroyed regardless. While their friends bargain with faeries, demons, and the weapon-making Iron Sisters to separate the two, Clary risks her life for someone she can no longer trust.
Reader notes
The YA urban fantasy moves among several viewpoints, alternating battles and banter with extended romantic conflicts and sexual tension rather than graphic sex. Coercion and abuse darken the story, and this fifth Mortal Instruments novel depends heavily on the earlier books.
How it reads
Writing style
Descriptive · Dialogue-driven · Direct
Tone
Dark · Romantic · Suspenseful
Structure
Linear
Driven by
Character · Plot · Relationships
Point of view
Multiple viewpoints · Third person, limited
Reading complexity
Writing
2 / 5
Ideas
2 / 5
Structure
3 / 5
Background knowledge
4 / 5
About this profile
Collected’s assessment, not reader ratings. Complexity runs from 1 (least demanding) to 5 (most demanding).
Writing
How much attention the sentences and language require.
Ideas
How much interpretation or abstract reasoning the book asks of you.
Structure
How much you need to keep track of speakers, timelines and connections.
Background knowledge
Prior knowledge needed to follow the book, beyond what it explains.
Emotional intensity
Emotional pressure, from gentle (1) to intense (5). Separate from difficulty.
Yes, this fifth Mortal Instruments novel depends heavily on the earlier books. Clary’s effort to separate Jace from Sebastian builds on established relationships and conflicts, so it is a poor starting point for the series.
Is it hard to read?
The prose is direct and dialogue driven, and the plot moves briskly. Following several viewpoints adds some complexity, but the greater challenge is familiarity with the earlier books and their established relationships.
How much does the romance shape the story?
Romance is central: extended relationship conflicts and sexual tension alternate with battles and banter. Clary risks her life for Jace even though his magical bond to Sebastian means she can no longer trust him.
What darker content should I expect?
Strong violence and abuse, including coercion, darken the story. Jace is magically bound to serve Sebastian’s purposes, and killing either would kill the other; the romantic tension unfolds alongside that threat.
How long is it?
592 pages in the Margaret K. McElderry Books 2015 paperback edition.
Which edition is shown here?
Margaret K. McElderry Books · 2015 · paperback. ISBN 9781481456005.
How long does it take to read City of Lost Souls?
About 11 hours 45 minutes at 50 pages an hour, based on the 592-page Margaret K. McElderry Books edition. Dense books can take longer.
About the author
Cassandra Clare
Cassandra Clare is an American writer of young adult fantasy best known for The Mortal Instruments and its larger network of Shadowhunter stories. Her novels place young protagonists at the threshold of elaborate supernatural societies, then move them through mysteries, factional disputes, family secrets, and unstable alliances. The prose is direct and descriptive, with dialogue carrying much of the character development and romantic tension. City of Bones establishes her characteristic urban method by revealing vampires, werewolves, and demon hunters within contemporary New York, while Clary’s entrance into that hidden order ties discovery to danger and forbidden attraction. Clockwork Angel relocates the same broad world to Victorian London and adopts a more gothic atmosphere, using Tessa Gray’s shape-changing power and search for her brother to organize a conspiracy plot around questions of identity and belonging. In later Mortal Instruments novels, Clare widens the cast and alternates among linked conflicts, allowing supernatural politics, intimate loyalties, and threats to the Shadowhunters’ institutions to develop at the same time.