M W · M. Williams · Molly W. Williams
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| El fantasma del castillo | 978-84-480-2042-2 (84-480-2042-1) | 1999 |
| Ghost Hunt at Trembly Towers | 978-0-7445-6051-0 (0-7445-6051-9) | 1998 |
| Ghost Hunt at Trembly Towers | 978-0-7636-0269-7 (0-7636-0269-8) | 1998 |
Candlewick · Timun Mas · Walker Books Ltd