See Delphi And Die. (Falco 17), Paperback/Lindsey Davis

And of course his mother-in-law hopes to hurry her son along to university by passing the case over to Falco. Joining the rest of the married couple's tour group on the remains of their Grand Tour, Falco and Helena seize the opportunity to interview the owner/manager of 'Seven Sights Travel', as well as the other guests.