Castle in the sky film comic, vol. 3 (Viz Media)

A legend of the days of the first flying machines, where fantastic adventure takes to the air! Pirates greedy for treasure and secret agents hungry for power are both chasing Sheeta, a young girl who wears a mysterious blue stone around her neck. The stone's power makes Sheeta defy gravity and float down into the life of Pazu, a tough young orphan boy inventor. Soon Pazu and Sheeta are caught up together - way up, into the clouds, where somewhere awaits Laputa, a floating city built by a lost race of people. What ancient secrets link Sheeta's stone to the incredible dangers and mysteries of the Castle in the Sky?