Sphere no Shitenshi: Ameku Takao no Suiri Karte
| Volume Title | Sphere no Shitenshi: Ameku Takao no Suiri Karte |
| Japanese Volume Title | スフィアの死天使: 天久鷹央の事件カルテ |
| Light Novel | Ameku Takao no Suiri Karte |
| Publisher | Shinchosha |
| Light Novel Label | Shincho Bunko nex |
| Author | Mikito Chinen |
| Illustrator | Noizi Ito |
| Volume | 4 |
| Release Date | August 28, 2015 |
| Pages | 400 |
| ISBN-10 | 4101800448 |
| ISBN-13 | 978-4101800448 |
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