This is the tenth action and archaeology-packed installment of the Cairo Jim Chronicles.A priceless artefact has gone missing in Rome - the imperishable Bauble of the ancient Emperor Tiberius. The Bauble has strange powers, and held in the wrong hands it could be used to bring about the end of civilization as we know it. Can Cairo Jim, well-known archaeologist and little-known poet, get to the bottom of things before it's too late?