The Haunted Library - The Ghost Behind the Curtain

Kaz isn't your average boy – he's a ghost. And Klárka isn't your average girl – she can see ghosts. That's why their detective agency is perfectly equipped to solve mysteries! This time, their investigation leads them to the neighbour's attic, where spooky sounds have been heard. To make matters more mysterious, Kaz spots a dog through the window that looks just like his ghostly canine companion, Kosmo. It's time to leave the safety of the library walls and venture outside. But how can they do it without the wind blowing Kaz away again?