Thea Stilton : the secret of the crystal fairies (Thea Stilton Special edition 7.)
by Stilton, Geronimo (Author), Stilton, Thea (Author)
Series
Summary
When Will Mystery calls, the Thea Sisters answer the call because there is trouble in one of the fairy kingdoms: a dragon has been turning all the fairies' precious gems into stone, and wrecking havoc throughout the Crystal Kingdom--and it is up to the sisters to find out why the dragon is destroyin... Full description