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?