FOR USE IN SCHOOLS AND LIBRARIES ONLY. When Magic Matt decides to use his powers to make a jack-o-lantern, his spell produces a boy named Jack who plants some magic seeds and takes him up into the sky to the castle of a giant.FOR USE IN SCHOOLS AND LIBRARIES ONLY. When Magic Matt decides to use his powers to make a jack-o-lantern, his spell produces a boy named Jack who plants some magic seeds and takes him up into the sky to the castle of a giant.