| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1998 | 978-1-929990-00-9 | Mary Butler · richard Ernest | The Listening Heart (1 Booklet) |
| '' | 978-1-929990-03-0 | Mary Butler · Richard Ernest | The Listening Heart Tape #3: Relax on the Great Salt Lake, Step into the Spotlight |
| 978-1-929990-04-7 | Richard Ernest · Mary Butler | The Listening Heart Tape #4: A Deeper Sleep, Making Friends with the Child Within |