Book nine of The Starman Saga.

"Attention! This is Starman David Foster with an urgent message!"

"It is imperative that this receive the highest priority!"

"I am aboard one of the Xenobot control ships which I have commandeered!"

"Their solar power station and hypertransit generator is operational!"

"Come to this space at once and destroy the wormhole transmitter!"

DEATH COMES THROUGH HYPERSPACE

A surprise attack on the impregnable Ahmanyan superfortress - Tharsos is vulnerable! An emissary of the First Races emerges from seculsion to advise the Young Races and notify them of the extent of the Xenobot plans: planet-killer bombs fueled by the power of the stars.

As the alien Adversary lays siege to the Solar System, the Solar Guard plays for time in defense of the Sun. The Earth-Ahmanyan Alliance gambles their existence on a desperate incursion into the enemy stronghold in Omega Centauri.

This is the future, the way it used to be.