| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2011 | 978-0-9835657-0-3 | Pamela Ruiter-Feenstra | Bach and the Art of Improvisation |
| 2015 | 978-0-9835657-1-0 | '' | Muse in Peace: Sing to Learn: Learn to Sing (Volume 1) |
| '' | 978-0-9835657-2-7 | '' | Muse for the Soul: Sing to Learn: Learn to Sing! (Volume 2) |