<p> Every August, Florence shimmers in the summer heat. But this year the heatwave is fiercer than usual, and the city's inhabitants have fled to the cool of the hills and beaches of the surrounding countryside. So it is no surprise that amidst the shrubbery of a normally busy roundabout, a corpse lies unnoticed, bloating in the humid air. Sandro Cellini will not be joining the crowds of holiday-makers this year. The former policeman turned private detective has a case: a man who seems to have vanished into thin air.</p><p>As Florence sweats it out, Cellini attempts as best he can to grapple with his case and the complications it throws up. And when the weather finally breaks, it brings with it a shocking revelation . . .</p>