Ogres have layers, Onions have layers, and yes, Parfet, has layers too. But how often have you considered the distinct layers of Earth itself? And to visit these layers and experience them firsthand, is something only a select few will ever do. But sometimes a story will take you places you've never been before, and may never be able to go in the flesh. This one takes you on a journey through the uppermost reaches of our atmosphere then plunges into the depths of the sea, only to follow the humble journey of a tiny bubble through the stratifications of the ocean and up to the surface.