Liaden: The Crystal Variation: Crystal Soldier / Crystal Dragon / Balance of Trade
Signed by both authors on the title page.Crystal Soldier: A mysterious alien race of energy beings is destroying entire star systems, and humans are making their last stand. Their only hope lies with soldier M. Jela and spaceship pilot Cantra 'yos Phelium.
Crystal Dragon: In addition to being a pilot, Cantra is also a genetically engineered assassin and spy. She infiltrates the world of Landomist to liberate Liad dea'Syl - and the equations stored inside his head. Then, to protect her child by Jela, she forms an alliance that will be known (and become legendary) as Clan Korval.
Balance of Trade: Jethri Gobelyn is a young Terran, working on his family's trading spaceship. When he finds that he has invested in a con game, he must master the intricacies of Liaden society to regain his place - and face - within the clan.
Omnibus, 1185 pages, Trade Paperback, Reprint (originally published in 2004 / 2005 / 2004)