Trinity Seven The Novel Eternity Library & Alchemic Girl
| Volume Title | Trinity Seven The Novel Eternity Library & Alchemic Girl |
| Japanese Volume Title | トリニティセブン 7人の魔書使い The Novel 悠久図書館と錬金術少女 |
| Light Novel | Trinity Seven: 7-nin no Mashotsukai The Novel |
| Publisher | Fujimi Shobo |
| Light Novel Label | Dragon Comics Age |
| Author | Kenji Saitou |
| Illustrator | Akinari Nao |
| Volume | 2 |
| Release Date | December 29, 2014 |
| Pages | 154 |
| ISBN-10 | 4040703529 |
| ISBN-13 | 978-4040703527 |
| Height (cm) | 18.00 |
| Width (cm) | 12.80 |
| Thickness (cm) | 1.80 |
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