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 Emperor only months after Rudolph II died on 20 June 1612. Since Matthias and his two surviving brothers, Maximilian III and Albert VII were childless, his succession in Austria, Bohemia, Hungary and the Holy Roman Empire was uncertain. Matthias made Ferdinand the governor of Lower and Upper Austria and appointed him as his representative in Hungary, but Klesl became his most influential advisor. Klesl wanted to forge a new princely alliance in the Holy Roman Empire with the participation of both Catholic and Protestant princes. Ferdinand and Maximilian III regarded his plan dangerous and sent envoys to Rome to convince