S S ยท S. Schweizer
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Under the Sky: Playing, Working and Enjoying Adventures in the Open Air - A Handbook for Parents, Carers and Teachers | 978-1-85584-215-1 (1-85584-215-7) | 2009 |
| Well I Wonder: Childhood in the Modern World, a Handbook for Parents, Teachers and Carers | 978-1-85584-124-6 (1-85584-124-X) | 2006 |