Kai Hirdt: books on the charts
Kai Hirdt has 1 book on Apple Books charts today, with 1 chart entry across countries. Best position seen: #22 in Luxembourg with Perry Rhodan 3371: Das Duell. BookTrendSpy has tracked 1 title by Kai Hirdt since 2 November 2026, including translations and audiobooks.
All tracked titles
| Title | Countries today | Peak | Peak country | Days on charts |
|---|---|---|---|---|
| Perry Rhodan 3371: Das Duell | 1 | #22 | Luxembourg | 2 |