The Burning Maze horse is Incitatus, and its owner is the third emperor, Caligula. They return to Aeithales and convey the news to the spirits. Grover tells Apollo about a part of the Labyrinth that is burning, causing droughts and water shortage in the upper world. Hedge and Mellie reveal that Piper McLean and Jason Grace had explored the Labyrinth. Apollo decided to meet with them. Meg plants the seeds with which her father had planned to reincarnate the Meliai. Apollo, Meg and Grover meet Piper and bring Jason, who had broken up with Piper, from his school the following day. Jason confidentially
Xanten Horse-Phalerae ('while Pliny was Prefect of the cavalry'). This suggests that these horse-phalerae belonged to a cavalryman under his command when Pliny was stationed in Germania Inferior in approximately 50 AD. The set of horse-trappings is made of about 60 silvered-bronze phalerae and forms part of a decorative equestrian harness that is only partly preserved. Organic material such as leather has not survived but enough roundels have to enable a partial reconstruction of the set in the museum. One of the phalerae has the bust of a Roman Emperor, but it is difficult to determine which emperor is represented from the