Who are the shady characters who show up in town, dressed for summer in the middle of winter? Why is Rune Andersson acting so strange? And what secrets lie in wait in the attic of Valleby’s old hotel?

Read and solve the Christmas mystery together with the children’s favorite heroes Jerry and Maya! Martin Widmark and Helena Willis have written and illustrated a seasonal and quirky story with a new clever challenge on every page. Solve the codes, find your way through the mazes, and figure out how everything fits together. When the mystery is solved, a wonderful Christmas celebration awaits with all the favorite characters from the JerryMaya books.