Karen Chisholm
Flagged as a number 1 bestseller in Sweden, this is a very unusual book featuring a most unexpected protagonist.
From the Blurb:
A naked and bloody seven-year-old girl walks into a bank, clutching a grubby teddy bear. She plays a threatening recording, demanding money. No one dares intervene.
The child leaves the bank and disappears, without leaving a trace of evidence.