It's been a long time waiting for it, but it's finally out and ready for purchase Truth of the Ninja: Air. Available as ebook or soft cover you can get it anywhere and in any format. There will be a select time for the FREE Kindle select and I will let you know when. Enjoy!
http://www.amazon.com/Truth-Ninja-Shadow-Legacy-Book-ebook/dp/B00PE2XPSS/ref=sr_1_1?ie=UTF8&qid=1415488625&sr=8-1&keywords=T.J.+Perkins