In the shadow of Saturn, a hidden world thrives beneath the icy surface of the moon Enceladus. This is the realm of the Aquanides, an advanced civilization living in an eternal oceanic twilight, veiled from the cosmos by miles of ice. For millennia, these beings have flourished in their subterranean aquatic world, warmed by the life-giving energy of hydrothermal vents, unaware of the existence of any world beyond their own. "Heiress of Enceladus"...