When General Marchmouse unexpectedly joins the Nutmouses on a camping trip things soon begin to go horribly wrong. Before they know it, the mice are whisked downstream on Arthur's toy boat Bluebottle.

Hidden in the broom cupboard of Rose Cottage is the most delightful little house. Shh, it’s a secret. No one knows it’s there... This is the home of Tumtum and Nutmeg.When General Marchmouse...