The Apothecary Diaries 4
| Volume Title | The Apothecary Diaries 4 |
| Japanese Volume Title | 薬屋のひとりごと 4 |
| Light Novel | Kusuriya no Hitorigoto |
| Publisher | Shufunotomosha |
| Light Novel Label | Hero Bunko |
| Author | Natsu Hyuuga |
| Illustrator | Touko Shino |
| Target Readership | Male |
| Volume | 4 |
| Release Date | September 30, 2015 |
| Pages | 392 |
| ISBN-10 | 4074031000 |
| ISBN-13 | 978-4074031009 |
| Height (cm) | 15.00 |
| Width (cm) | 10.40 |
| Thickness (cm) | 2.00 |
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