Other books
The Ghost At No.13 (1985)
The Hiccups At No.13 (1987)
The Mermaid At No.13 (1989)
Hullababloo At No.13 (1992)
The Witch At No.13 (1995)
The Monsters At No.13 (1996)
The Hiccups At No.13 (1987)
The Mermaid At No.13 (1989)
Hullababloo At No.13 (1992)
The Witch At No.13 (1995)
The Monsters At No.13 (1996)
