Sammy is a football crazy rescue puppy. Mouser is a fearless grey tabby. Together they make an unlikely pair that won't be parted, not even by the First World War. As the war rages in Europe, Londoners are sending brave animals to help the soldiers - and Mouser and Sammy are soon on their way to the trenches.

Megan Rix is the hugely popular author of animal adventure books set in the modern day and key periods of history, including the First and Second World Wars, the Great Fire of London and the Suffragettes fight for women's right to vote. An animal lover and dog-trainer, Megan draws inspiration from her own adorable dogs Traffy, Bella and Freya, and many fascinating and extraordinary animal stories to engage her readers.