Showing Murder Must Wait by Arthur Upfield

Detective Inspector Napoleon Bonaparte arrives in the little town of Mitford, New South Wales, to find that five babies have been abducted and a murder committed. The half-aborigine sleuth calls in Policewoman Alice McGorr to help him, and one of the most important clues they find is a cave drawing depicting an aboriginal legend. Bony, as unorthodox and cunning as ever, reenacts the legend in order to solve the mystery.