Wolf & Parchment: New Theory Spice & Wolf IV
| Volume Title | Wolf & Parchment: New Theory Spice & Wolf IV |
| Japanese Volume Title | 新説 狼と香辛料 狼と羊皮紙IV |
| Light Novel | Wolf on the Parchment |
| Publisher | ASCII Media Works |
| Light Novel Label | Dengeki Bunko |
| Author | Hasekura Isuna |
| Illustrator | Juu Ayakura |
| Target Readership | Male |
| Volume | 4 |
| Release Date | March 09, 2019 |
| Pages | 424 |
| ISBN-10 | 4049122014 |
| ISBN-13 | 978-4049122015 |
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