Reading order
| # | Title | Published | Author | Buy on Amazon |
|---|---|---|---|---|
| 1 | Csontváros | 2007 | Cassandra Clare | N/A |
| 2 | City of Bones: The Little Book of Quotes | 2013 | Cassandra Clare | Buy |
| 3 | 獵月 | 2008 | Cassandra Clare | N/A |
| 4 | The Shadowhunter’s Codex | 2013 | Cassandra Clare | Buy |
| 5 | Üvegváros | 2009 | Cassandra Clare | N/A |
| 6 | City of Lost Souls | 2012 | Cassandra Clare | N/A |
| 7 | Mesto nebeského ohňa | 2014 | Cassandra Clare | N/A |
The Mortal Instruments nonfiction catalog includes companion guides and reference materials for the Shadowhunter franchise. The Shadowhunter’s Codex (2013) is presented as an in-universe training manual for new Shadowhunters, while City of Bones: The Little Book of Quotes (2013) collects memorable passages from the first novel.
These companion materials add depth to the franchise for devoted fans. The Codex in particular functions as both a reference book and a piece of world-building, treating the Shadowhunter universe as a documented reality with its own written traditions and institutional knowledge.