Tom Palmer celebrates the unsung athletic heroes of the Armistice in a powerful tale of the fell-running messengers on the front-line of war. Lily has lots of worries. She's struggling to compete in her fell-running races and, worse, she's losing her gran to Alzheimer's.But then she discovers her great-great-grandfather's diaries from the First World War.Could his incredible story of bravery help her reconnect with her gran and even give her the inspiration she needs to push through and win?