On an island on the edge of an immense sea there is a city, a forest, and a boy named Oscar. Oscar is a shop boy for the most powerful magician in the village, and spends his days in a small room in the dark cellar of his master's shop grinding herbs and dreaming of the wizards who once lived on the island generations ago. Oscar's world is small, but he likes it that way. The real world is vast, strange, and unpredictable. And Oscar does not quite...

After her cousin Zee arrives from England, thirteen-year-old Charlotte and he must set out to save humankind from denizens of the underworld, Nightmares, Death, Pain, and a really nasty guy named Phil.