When a flood sweeps through the valley, the Moomins must find a new house. And with typical Moomin good luck, one just happens to be floating by. It looks normal enough,but there are curtains where one wall should be, strange rows of lights, and other odd amenities. Then Moomintroll and the Snork Maiden disappear, and the family realize that the house may hold the answers to more than they ever dreamed.

CHAPTER I

 About a bark boat and a volcano

CHAPTER II

 About diving for breakfast

CHAPTER III

 About learning to live in a haunted house

CHAPTER IV

 About vanity and the dangers of sleeping in trees

CHAPTER V

 About the consequences of whistling on the stage

CHAPTER VI

 About revenge on Park Keepers

CHAPTER VII

 About the dangers of Midsummer Night

CHAPTER VIII

 About how to write a play

CHAPTER IX

  About an unhappy daddy

CHAPTER X

  About the dress rehearsal

CHAPTER XI

 About tricking jailers

CHAPTER XII

 About a dramatic first night

CHAPTER XIII

 About punishment and reward