There are 3 books in the The Way series. The newest book is Legacy which came out in 1995.

1
Eon

Book cover of Eon
From the New York Times–bestselling author of War Dogs: A novel that “may be the best constructed hard SF epic yet” (The Washington Post).
 
In a supernova flash, the asteroid arrived and entered Earth’s orbit. Three hundred kilometers in length, it is not solid rock but a series of hollowed-out…
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2
Eternity

Eternity

Multiple Nebula and Hugo Award-winner Greg Bear returns to the Earth of his acclaimed novel Eon - a world devastated by nuclear war

The crew of the asteroid-starship Thistledown has thwarted an attack by the Jarts by severing their link to the Way, an endless corridor that spans universes. The…

3
Legacy

Legacy
The author returns to the universe of his best-selling novel, Eon, where a fantastic world is discovered whose evolution has been similar enough to Earth's to reveal some eerie lessons about human destiny. 35,000 first printing. $35,000 ad/promo.