Inworld: A Novel

The Three-Body Problem meets Annihilation in this epic science fiction novel by an astrophysicist, following an enclave of humans fighting for survival outside an alien megastructure, struggling to decode a cryptic language that will either return them to Earth or help them endure the savage, uncharted center of the sphere.

When a doctoral student makes the discovery of a lifetime, hardly anyone will believe her...until evidence of a signal from another star system becomes too much to ignore...