On a mission to rescue Empress Justina's son from his pirate kidnappers, Hal and the brotherband crew set sail amid stormy seas to the island of Santorillos where they encounter a formidable obstacle, a caldera.
year: 2017
call number/section: 1000, 7
subjects: seafaring life, juvenile fiction, pirates, kidnapping, rescues, fiction, fantasy fiction, action and adventure fiction