Come and explore the Observatory in this brand new story based on Tove Jansson's magical world of Moominvalley. Lift the flaps and spot your favourite characters in this beautiful shaped board book. Moomintroll and Snorkmaiden are following a trail of green smoke as they search for a Martian in the Observatory .

. . but what will happen when they find him? Join Moomintroll and Snorkmaiden as they find mysterious things happening while they follow the smoke, past Stinky, Little My and some shrunken Moomins and creeps.

Along the way, lift the flaps to explore rooms, peek into cupboards and peer behind doors. There are all kinds of wonderful things to find!The perfect introduction for little ones to Tove Jansson’s world of Moominvalley, enjoy more fun-shaped Moomin adventures with In the Moominhouse and In the Lighthouse.