Arabel and Mortimer
1 Arabel's Raven (1972)
2 Escaped Black Mamba (1973)
3 Mortimer's Bread Bin (1974)
aka The Bread Bin
4 Mortimer's Tie (1976)
5 Mortimer and the Sword Excalibur (1979)
6 The Spiral Stair (1979)
7 The Mystery of Mr Jones's Disappearing Taxi (1982)
8 Mortimer's Portrait on Glass (1982)
9 Mortimer's Cross (1983)
10 Mortimer Says Nothing (1985)
11 Mortimer and Arabel (1992) (with Lizza Aiken)
12 Mortimer's Mine (1995)
2 Escaped Black Mamba (1973)
3 Mortimer's Bread Bin (1974)
aka The Bread Bin
4 Mortimer's Tie (1976)
5 Mortimer and the Sword Excalibur (1979)
6 The Spiral Stair (1979)
7 The Mystery of Mr Jones's Disappearing Taxi (1982)
8 Mortimer's Portrait on Glass (1982)
9 Mortimer's Cross (1983)
10 Mortimer Says Nothing (1985)
11 Mortimer and Arabel (1992) (with Lizza Aiken)
12 Mortimer's Mine (1995)
Other books
Mortimer's Pocket (1994) (with Lizza Aiken)
Arabel and Mortimer Stories (2019)
More Arabel and Mortimer (2019)
Arabel and Mortimer Stories (2019)
More Arabel and Mortimer (2019)
Omnibus editions
Arabel and Mortimer (1980)
The Adventures of Arabel and Mortimer (1993)
13 Mayhem in Rumbury (1995) (with Lizza Aiken)
The Adventures of Arabel and Mortimer (1993)
13 Mayhem in Rumbury (1995) (with Lizza Aiken)