Tuesday and her dog Baxterr are swept up into the magical land of story, where they must sail a runaway boat, battle fearsome pirates, and find their way out of the Swamp of Doubt, all in the search for Tuesday's missing mother.

Tuesday McGillycuddy loves stories - and her mother is a writer. A very famous writer, who has locked herself away in her writing room to finish the final book in her best-selling series for children. But when Tuesday knocks on her door, she discovers her mother is missing!

In search of Serendipity, Tuesday and her faithful dog Baxterr soon find themselves on a very dangerous mission. They enter the magical world where stories come from, a mysterious and unpredictable world, full of real danger and heart-stopping adventure.

With the help of pint-sized heroine Vivienne Small, Tuesday will need all her wit, courage, perseverance and imagination in order to get to The End and be reunited with the people she loves.