Gwydion, the Apprentice Wizard, whose adventures began with "Gwydion and the Flying Wand," "Magic Maldwyn" and "Betsan the Brave" and continue with the "Magic Apostrophe" series is still learning his trade from Great Merlin Merlin decides to send him on a Quest through a Time Door to find and bring back three things. But nothing is ever simple when Merlin is involved...