The series is mostly set in King Arthur's realm of Avalon, although the fourth volume, "Voyage of Terror", takes place almost entirely in ancient Greece, after Merlin's summoning spell goes wrong.
The series is (usually) set in King Arthur's realm of Avalon, and follows the adventures of a young hero named Pip. The fourth volume, "Voyage of Terror", takes place almost entirely in ancient Greece, after Merlin's summoning spell goes wrong.