Count Francesco and the Mysterious Stranger

Who is up so late in the old Padua Tower? Why is the lovely ghost of Bianca returning to warn her brother, Count Francesco, of intrigues in the medieval Italian university town? Set during Galileo's time, this historical novel is humorous, full of intrigue and romance, and set in Italy's shift from faith to reason, is a winning complement to the first in the series "I, Count Francesco"