This article is from the rec.arts.sf.written FAQ, by Evelyn C. Leeper evelynleeper@geocities.com with numerous contributions by others.
The fourth book was THE RADIANT SEAS. It came out January 1999.
The paperback of THE LAST HAWK was available in November 1998.
The fifth book in the saga, THE QUANTUM ROSE, was serialized in Analog,
in three parts, starting with the May 1999 issue. The Analog serial
plus its sequel came out together as one book from Tor, in December
2000. THE QUANTUM ROSE is a stand-alone novel and doesn't depend on
any previous books.
The sixth book in the saga, ASCENDANT SUN, came out from Tor in
February 2001, and the seventh book, SPHERICAL HARMONIC, will also come
out from Tor, probably in 2001. ASCENDANT SUN is the sequel to both
THE RADIANT SEAS and THE LAST HAWK. However, it can be read as a stand
alone novel. SPHERICAL HARMONIC is also a stand-alone novel.
The first three books, PRIMARY INVERSION, CATCH THE LIGHTNING, and
THE LAST HAWK are stand-alone novels that don't depend on each other.
All of them take place in the same universe and are tales of the Ruby
Dynasty, but they can be read in any order. Although THE RADIANT SEAS
is a stand-alone novel as well, it is also the sequel to PRIMARY
INVERSION.
Other Skolian Empire stories: The novella "Aurora in Four Voices" is
the cover story for the December 1998 Analog. It takes place about
fifteen years prior to PRIMARY INVERSION and has Soz from PI as one of
its two main characters. The novelette "Light and Shadow" appeared in
the April 1994 issue of Analog. It is a story about Kelric, the main
character in THE LAST HAWK, and takes place a number of years prior to
HAWK.
The Skolian Empire books and the Ruby Dynasty books are the same.
For more information, see the Asaro Books web site at
http://www.sff.net/people/asaro/.
 
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