On Halloween the night is full of strange creatures: witches, vampires, ghosts - and dragons. In their seventh adventure Eddie and Emily take their uncle's pet dragons trick or treating. But the dragons have quite the sweet tooth, and it's not long before things go ghoulishly wrong... On Halloween the night is full of strange creatures: witches, vampires, ghosts - and dragons. In their seventh adventure Eddie and Emily take their uncle's pet dragons trick or treating. But the dragons have quite the sweet tooth, and it's not long before things go ghoulishly wrong...