Yes, I should I have implied stronger that I did consider I am Jade Falcon part of the storyline. The refusal war gets argued about so much on the forums that I want a first-hand impression. How strongly would you recommend that I read the Jade Phoenix Trilogy before reading I Am Jade Falcon?
It would be nice if someone created a tree diagram of recommended reading order for the books.
If you're going to read I Am Jade Falcon, definitely read the trilogy first.
There are, essentially, a 'Falcon' and a 'Wolf' side to the novels when it comes to the Invasion and the Refusal War.
The 'Falcon' trilogy follows Aidan (pretty much exclusively) before the invasion all the way up to Tukayyid, It's all Falcon characters and while it deal with some politics... it's all centered on Aidan and his supporting characters (the themes focus on warrior status, Clan attitude on freeborns, what it means to be a warrior etc.)
I Am Jade Falcon continues- as does the subsequent novels (Falcon Rising etc.)- on those themes and follows the same cast of characters. The Refusal War is really a background...as the Invasion was for the Jade Phoenix trilogy.
The 'Wolf' trilogy (and I use that term loosely) deals with the bigger picture as you no doubt saw. The book focused on Kai and Victor just as much as Phelan, if not more so. I haven't read Natural Selection, but I have a general understanding of the contents. It deals primarily with the "Red Corsair" affair, which isn't all that significant for the Refusal War. The end of the book sees the beginning of the Refusal War- again, it's a 'big picture' book.
Both novels conclude (as I recall) with the battle between on Twycross. One leaves the fate of Natasha up in the air, while the other details her fate.
Malicious Intent is really the 'Refusal War' book. It picks up from where the other two end and follows Vlad and Phelan mostly. It concludes the Refusal War, the creation of the Jade Wolves, as well as the Rebirth of Clan Wolf.
I don't believe either Natural Selection or I Am Jade Falcon are really critical for Malicious Intent. I'd read the Phoenix Trilogy...and if you like Joanna, pick up I Am Jade Falcon. If there's one thing about Thurston's novels... it's plenty of Joanna.