Convergent Series

This omnibus pairs Summertide with its sequel Divergence, following troubleshooter Hans Rebka as his search for the vanished Builders leads him to Paradox, an ancient structure that has never released a single explorer intact. Between them, the two novels carry Rebka and Darya Lang from a planet-cracking astronomical event to the galaxy's most dangerous alien ruin, tightening the mystery of what the Builders were building toward all along.