Auzou Book for the ghost smuggler volume 4 in the heart of secrets

Bad luck! Silène has to have an operation for appendicitis... But while she's in hospital, she comes across a distraught ghost: it's Jade, a teenager who's just been transformed. Silène calls Malo and the ghost of Octave to the rescue, and the three of them try to help Jade cross over to the other side. To do so, they must unravel the mystery surrounding her birth...