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
Emperor Ku great-grandson to Yellow Emperor. According to speculative dates calculated after 100 BC by Liu Xin, he is supposed to have ruled from c. 2436 BC to c. 2366 BC, though other dates are also mentioned. When he became emperor, Ku added the title "Di", meaning "Emperor", or "God-emperor", in front of his name. After achieving the imperial title, Ku was said to travel seasonally by riding a dragon in spring and summer, and a horse in autumn and winter. Among other things, Ku was said to be an inventor of musical instruments and composer of songs. According to the "Lüshi