| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Leonardo's Dream | 978-0-7358-1926-9 | 2004 | |
| Little Bobo's Circus Adv | 978-0-7358-1960-3 | 2005 | Romanelli S. |
| Little Bobo's Circus Adventure | 978-0-7358-1959-7 | 2005 | " |
| Little Polar Bear 2006 Calendar | 978-0-7358-1990-0 | 2005 | |
| Little Polar Bear 2006 Wall Calendar | 978-0-7358-1989-4 | 2005 | |