The Phantom of the State Opera (Penny Küfer Investigates 8)

Penny is invited by Alex Adamas, her secret crush, to a glamorous evening at the Vienna State Opera. But she quickly discovers that there are no romantic motives behind this rendezvous. Alex is on the trail of a poisoner at the opera house, and soon Penny is up to her ears in a new case. One that's going to challenge her in every way…