The Trials of Apollo North America to restore the remaining four Oracles and defeat the triumvirate of Roman emperors-turned-Gods, while also being helped by Leo Valdez, the now-mortal Calypso and Festus the bronze dragon. "The Burning Maze" is the third book in the series. It released on May 1, 2018. The book follows Lester Papadopoulos/Apollo, Meg McCaffrey and Grover Underwood while they try to rescue Herophile, an Oracle that speaks only in puzzles, from the Roman emperor Caligula and his talking horse, Incitatus. In the process, they met some strixes that feed only on blood, which they finally repel using strawberries. While sleeping, Apollo
Ferdinand II, Holy Roman Emperor Bohemian Estates defeated him. The Bohemian Estates dethroned Rudolph and elected Matthias king on 23 May 1611. Since Rudolph retained the title of emperor, his succession in the Holy Roman Empire remained uncertain. Matthias, Ferdinand and Maximilian III assembled at Vienna to discuss the issue with Philip III's envoy, Baltasar de Zúñiga, in December. They decided to support Matthias' election as King of the Romans (which could have secured his right to succeed Rudolph II), but the three ecclesiastical electors opposed the plan because of Matthias' concessions to the Protestants in Hungary, Austria and Bohemia. Matthias was elected Holy Roman