Eridanus by Kim Idynne

In this sequel to Enigma, Dominic and Surina travel to a mountainous region of Peru in an attempt to enter the celestial realm, but their plans seem to go awry when Surina becomes trapped in the stars alone. Surina and Hannah team up to solve the puzzle of Orion, but in order to get there, they will have to travel the Eridanus: the longest and most enigma-ridden river of the underworld.

Adult • Fantasy/Epic and High