リカ: books on the charts
リカ has no books on the tracked charts today. Best position seen: #4 in Japan with 実践!マインドフルネス～呼吸の瞑想～ step1. BookTrendSpy has tracked 2 titles by リカ since 29 October 2026, including translations and audiobooks.
All tracked titles
| Title | Countries today | Peak | Peak country | Days on charts |
|---|---|---|---|---|
| 実践!マインドフルネス～呼吸の瞑想～ step1 | – | #4 | Japan | 5 |
| 実践!マインドフルネス～呼吸の瞑想～ step2 | – | #5 | Japan | 4 |