Mandy has been picked on at school for as long as she can remember. That's why she can't believe it when cheeky, full-of-fun Tanya wants to be her friend. Mandy's delighted - but Mum isn't: she thinks Tanya's a bad girl. And when Mandy discovers Tanya's secret, she has to choose between doing what Mum wants and keeping her new friend. Bad Girls is a delightful and important book, dealing very well indeed with difficult emotional and social issues.