DONNA LEON - Aqua Alta

As Venice braces for a winter tempest, intrepid Italian sleuth Commissario Guido Brunetti finds out that an archaeologist and old friend has been savagely beaten at the palazzo home of opera singer Flavia Petrelli.
 
Then, as the floodwaters rise, the corpse of a museum director is discovered—and Brunetti must wade through the chaotic city to solve his deadliest case yet.