| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Play your Ocarina: Carols: 5 | 978-1-871210-09-5 (1-871210-09-7) | 1994 | David Liggins · Christa Liggins |
| Play Your Ocarina Complete Guide: Books 1, 2, 3 & 4 | 978-1-871210-08-8 (1-871210-08-9) | 1992 | David Liggins · Christa Liggins |