Starting high school brings problems over friendships and hobbies for Jo.

Guilty at taking Lol's place in the Laing gang Jo believes she is doing a good turn by encouraging Lol to diet.

In the third book in the "Peter High" series, Jo is elected form captain, but only because the rest of the class are sick of Gerry Stubbs always having the job. Jo takes her responsibilities seriously - too seriously for her friends, who think she's become a teacher's pet and a bossyboots.

Jo hero worships Sarah Bigg, a glamorous prefect, but finds her efforts to impress Sarah are not working.

The fifth of the Peter High stories, set in a girls' comprehensive school. Jo's gang have set up an introduction agency which promises true love and bliss for all the lonely hearts at Peter High. What started as a good idea turns into a series of hilarious disasters.