Every Christmas Mia read a letter which her Grandpa wrote to her. His letter is a warm, impassioned and heartfelt wish for a better world for Mia. He remembers fondly the times they spent in his garden. But Grandpa worries that all the things they love so much are in danger . . . His letter is a hopeful plea to Mia to continue to care for and protect our precious world sakriti opis