Rottenteeth (illustrated by Roy Bentley), Deutsch, 1979
The Bee Rustlers (illustrated by Paul Wright), Collins, 1980
The Size Spies (illustrated by Roy Bentley), Deutsch, 1980
Losers Weepers (illustrated by Jane Bottomley), Methuen, 1981
Another Fine Mess (illustrated by Roy Bentley), Armada, 1982
Skeleton at School (illustrated by Robert Bartelt), Heinemann, 1987
Uncle in the Attic (illustrated by Robert Bartelt), Heinemann, 1987
Wagstaffe the Wind-Up Boy (illustrated by Roy Bentley), Deutsch, 1987
[ author's note and sample chapters ]
In the Doghouse (illustrated by Robert Bartelt), Heinemann, 1988
The Sleeping Party (illustrated by Robert Bartelt), Heinemann, 1988
Mad Scramble (illustrated by Kate Aldous), Heinemann, 1990
The War of the Worms (illustrated by Kay Widdowson), Hamish Hamilton, 1992
Wagstaffe and the Life of Crime (illustrated by Roy Bentley), Lions, 1992
Bogeymen (illustrated by Liz Tofts), Deutsch, 1992
Most of these books also appeared in paperback.
