There's a boy in the girls' bathroom.
(Junior Book)

Originally published: New York: Knopf, 1989; London: Bloomsbury, 2001

Bradley Chalkers is a bad lot! He lies, he gets into fights, no one wants to be his friend and he is all alone. Until, that is, he meets the delightful new school counsellor, Carla, and she persuades Bradley that he can change.