Tim and Jenny are on half-term, and they are planning to spend it with their family in the cabin. This time there is going to be an archery competition at the hotel, and Jenny will be competing. Mrs Cornelia and Kurt’s spoiled nephew is also participating. They have bought a cup as the main prize. Chaos ensues when they discover that the cup has been stolen! Who can the thief be? Where is the cup? And why did Lunde Per fall asleep while he was supposed to be on guard?

Illustrated by Ella K. Okstad.

The 3rd book in the series about Tim and Jenny.