The o'sullivan twins
- London: Egmont UK Ltd: January 1, 1905.
- 183 weight 3.52 ounces 6.93 x 4.25 x 0.55 inches
- .
In the book the twins are back at st clares for the summer term. There is a girl called Carlotta who used to be a circus girl and sneaky Prudence tells the class expecting them to hate her but the class love Carlotta. Another girl called Sadie is nearly kidnapped but Carlotta saves her.