A Certain Magical Index: Genesis Testament 4
| Volume Title | A Certain Magical Index: Genesis Testament 4 |
| Japanese Volume Title | 創約 とある魔術の禁書目録(4) |
| Light Novel | Toaru Majutsu no Index: Genesis Testament |
| Publisher | ASCII Media Works |
| Light Novel Label | Dengeki Bunko |
| Author | Kazuma Kamachi |
| Illustrator | Kiyotaka Haimura |
| Target Readership | Male |
| Volume | 4 |
| Release Date | May 08, 2021 |
| Pages | 440 |
| ISBN-10 | 4049137305 |
| ISBN-13 | 978-4049137309 |
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