P R · Piero Rivolta Barberi · Pierre Riboulet
| title | ISBN-13 | year of publication |
|---|---|---|
| Alex and the Color of the Wind | 978-0-9792012-1-9 | 2008 |
| Journey Beyond 2012 | 978-0-9836184-0-9 | 2012 |
| Solo un profumo, il resto é Dio | 978-0-9841745-6-0 | 2020 |
| Sunset in Sarasota | 978-0-9792012-0-2 | 2007 |
| The Castaway | 978-0-9841745-2-2 | 2010 |