Blood from a Stone By Donna Leon.

Blood from a Stone brings Donna Leon's celebrated character Commissario Guido Brunetti back on the scene: On a cold Venetian night shortly before Christmas, a street vendor is killed in a scuffle in Campo San Stefano. The closest witnesses to the event are the tourists who had been browsing the man's wares before his death-fake handbags of every designer label. The dead man is one of the many African immigrants purveying goods outside normal shop hours and trading without a work permit._x000D_

Like everybody involved, Commissario Brunetti wonders why anyone would kill an illegal immigrant. But once Brunetti begins to investigate this unfamiliar Venetian underworld, he discovers that matters of great value are at stake within the secretive society._x000D_

Warned by Patta, his superior, to resist further involvement in the case, Brunetti only becomes more determined to unearth the truth behind this mysterious killing. Reluctant as he is to let this event be smugly relegated to the category of "not worth dealing