Mia misses her Daddy. Without him, Christmas has lost its magic. But when Mia discovers a world within a mysterious post box, she is whisked away on a truly wonderful adventure over sparkling seas and streets of paper stars.But what will Mia find at the end of her journey?A magical tale of love and adventure, brought to life by peep-through pages, lift-the-flaps and breath-taking illustrations from Karl James Mountford (The Curious Case of the Missing Mammoth).