| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 1994 | 978-0-9642350-0-7 | Jonathan Fox | Acts of service: Spontaneity, commitment, tradition in the nonscripted theatre |
| 1999 | 978-0-9642350-1-4 | Jo Salas | Improvising Real Life: Personal Story in Playback Theatre |
| 2019 | 978-0-9642350-5-2 | Jonathan Fox | The Essential Moreno: Writings on Psychodrama, Group Method, and Spontaneity by J. L. Moreno, M.D. |
| '' | 978-0-9642350-8-3 | Hannah Fox | Zoomy Zoomy: improv games and exercises for groups |