Echo Rift: Riven Worlds Book Three

"Everything we have done from the start of this endeavor has been risky. Is the goal not worth any risk?"
In the aftermath of Namino's liberation, everyone seeks a moment of peace to catch their breath and regroup. But the Rasu will not be waylaid for long, and peace soon becomes a race against time before the next onslaught.

Alex and Caleb search distant stars and the ruins of a dead civilization for a secret weapon that may hold the key to defeating an enemy who cannot be killed by conventi...