A solitary mountain rises from the searing, toxic blackness of the planet. The organ banks are the centre of this world. To them the subservient colonists contribute living limbs, and from them the overlords obtain the vital parts that keep them alive.
Fins into Limbs is an exploration of a longstanding evolutionary puzzle associated with the origin of tetrapods and the vertebrate invasion of land.
It tells us what we know, what we don't know, and what we'd really like to know. Thus it points us in the direction of which pieces are required to solve the puzzle and reminds us of the pressing need to figure out how they all fit together.