I have not read any of her sci-fi books (yet). So this should be super short.
Read if you like: Military sci-fi, Space Opera, John Scalzi
I've heard nothing but great things about this series and, after the Blood series, it is Tanya Huff's most popular work on Goodreads, in terms of number of ratings/reviews. She also considers the protagonist, Torin, her favorite character to write.
Learn More: Goodreads: Confederation series
Well, if you don't feel like you know Tanya Huff's social security number and bank account passwords after reading all that, here is even more links of information to keep you happy.
Finally. Okay, I have an overflowing library of books and I'm willing to part with a prime selection of Tanya Huff mass market paperbacks to a few lucky winners.
Check out this pile of lucsious books (pic)
Giveaway 1 * Of Darkness, Light, and Fire (Omnibus of Gate of Darkness, Circle of Light - contemporary fantasy - and Fire Stone - traditional fantasy)
Giveaway 2 * Wizard of the Grove (Omnibus of Child of the Grove and The Last Wizard)
Giveaway 3 * Fifth Quarter * No Quarter
Giveaway 4 * Summon the Keeper * Second Summoning * Long Hot Summoning
Giveaway 5 * A Confederation of Value (Omnibus of Valor's Choice and Better Part of Valor)