A Case of a Lost Ring

Lilianna's mother's beautiful engagement ring is missing. Stolen, most likely! Hugo, Lilianna, Amanda-Riin and Robert start to investigate. Together they turn every stone and look at every suspect - who could have stolen the ring and how? Perhaps there is a way of getting it back? In addition to investigating the robbery, the young detectives have to struggle with their own, more personal problems.

A Case of a Lost Ring is second book in The Library detective series, where a group of book-loving children are solving mysteries.