Alderamin on the Sky XII
| Volume Title | Alderamin on the Sky XII |
| Japanese Volume Title | ねじ巻き精霊戦記 天鏡のアルデラミンXII |
| Light Novel | Alderamin on the Sky |
| Publisher | ASCII Media Works |
| Light Novel Label | Dengeki Bunko |
| Author | Bokuto Uno |
| Illustrator | Ryuutetsu |
| Target Readership | Male |
| Volume | 12 |
| Release Date | July 07, 2017 |
| Pages | 344 |
| ISBN-10 | 4048932195 |
| ISBN-13 | 978-4048932196 |
| Height (cm) | 15.00 |
| Width (cm) | 10.40 |
| Thickness (cm) | 1.60 |