Davina Dupree Cracks a Christmas Code: 7th in Egmont School Series

Seventh in the Egmont School Series. It's Christmas time, and Davina and her best friend Arabella are staying at Egmont Exclusive Boarding School for Girls over the holidays. But when Davina gets a Christmas card written in code, an exciting and mysterious adventure begins. Will Davina crack the code before Christmas Day? And who on earth is the Christmas card from?