| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Japanese Parallel Audio - Learn Japanese with 501 Random Phrases using Parallel Audio - Volume 1 | 978-1-9862-9165-1 (1-9862-9165-0) | 2018 |
| Japanese Parallel Audio - Learn Japanese with 501 Random Phrases using Parallel Audio - Volume 2 | 978-1-7270-0975-0 (1-7270-0975-4) | 2018 |