Every Christmas, Mia and her family read a letter which her Grandpa wrote to her. His letter is a heartfelt wish for a better world for Mia to live in. He remembers fondly the times they spent in his garden finding frogs and planting seeds, but Grandpa worries that all the things they love so much are in danger and he needs Mia to help protect them.

A hopeful and timely story about looking after our planet and making a better world for future generations.