Olympus no Yuubin Post
| Volume Title | Olympus no Yuubin Post |
| Japanese Volume Title | オリンポスの郵便ポスト |
| Light Novel | Olympus no Yuubin Post |
| Publisher | ASCII Media Works |
| Light Novel Label | Dengeki Bunko |
| Author | Mono Tamao |
| Illustrator | Inumachi |
| Target Readership | Male |
| Volume | 1 |
| Release Date | March 10, 2017 |
| Pages | 328 |
| ISBN-10 | 4048926632 |
| ISBN-13 | 978-4048926638 |
| Height (cm) | 14.80 |
| Width (cm) | 10.60 |
| Thickness (cm) | 2.60 |