When twins Toby and Tess meet a mysterious old traveller, they're fascinated by his magical tales of far-off places, strange enchantments and unbelievable miracles. Each time he visits the village he brings them a new tale and a special story-reminder from the bundle that he carries on his back. Most intriguing of all is the Map of Marvels, which shimmers and shifts and invites the children to make incredible journeys of their own.