It's Christmas at Charm Hall and Shannon is in the choir, preparing for a inter-school carol competition.

They need a carol to wow the judges and there seems to be a solution when Velvet whisks the girls off to renaissance Italy to solve the mystery of why Mona Lisa is smiling...

This is book 4 in Charm Hall .

There are 128 pages in this book. This book was published 2007 by Hachette Children's Group .

Tabitha Black loves cats and always wanted to go to boarding school. This was her inspiration for the Charm Hall series. She then added a big dash of magic to make Charm Hall an even more exciting place to be! Margaret Chamberlain has illustrated many books for children. She divides her time between Lyme Regis and London.