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
Otto III, Holy Roman Emperor greater control over the Church than his grandfather Otto I had decades earlier. The Emperor quickly demonstrated his intention to withdraw Imperial support for the privileges of the Holy See laid out by Otto I. Under the "Diploma Ottonianum" issued by Otto I, the Emperor could only veto papal candidates. Otto III, however, had nominated and successfully installed his own candidate. The Emperor also refused to acknowledge the Donation of Constantine, which Otto III declared a forgery. Under a decree supposedly issued by Roman Emperor Constantine the Great, the Pope was granted secular authority over western Europe. These actions resulted