A FORMER Oxford schoolgirl has won the Best Young Fiction category at the Waterstone's Children’s Book Prze awards.

Robin Stevens, whose parents still live in the city, won the award tonight for her novel Most Unladylike, which is the first of a series of boarding school murder mysteries.

The book, set in an all-girls school, features two schoolgirls called Daisy Wells and Hazel Wong, who set up their own secret detective agency at Deepdean School for Girls.

The story tells how they struggle to find any truly exciting mysteries to investigate, but then discover a science mistress, Miss Bell, lying dead in the gym.

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It is thought to be a terrible accident, but when Hazel and Daisy return five minutes later, the body has disappeared and the girls know a murder must have taken place, they just have to prove it.