Isadora knows what it's like to be different. When she and her class go on a field trip to an old castle, Isadora's friends are spooked. What if they see a ghost? Only Isadora knows ghosts arent' scary -- they're just different.
Half-vampire, half-fairy Isadora Moon is excited about a visit from her older cousin, Mirabelle, who is half-fairy, half-witch, but when Mirabelle persuades Isadora to take a dragon to school, big trouble is in store.