please welcome david friningel. back. now good to see you again. >> good to see you. >> the last time you were here, you were here to talk about the good soldiers. >> right. >> your book about being embedded with which group in iraq. >> it was infrant lee battalion during the period of the surge. these guys went over, well, it was considered the lost moment of the war. they were there for 15 months. they got pretty banged up. and i wrote that book. then they came home. and they are banged up in different ways so i have written a secretary book about what is happening at home. >> stephen: an it's called thank you for your service. >> yeah. >> stephen: now this is about the wounds that we-- we can't necessarily see rz and they can't see them either which causes great doubts to some of them. so the book, the book is really an end mat look, it's not a policy bock but an intimate look at what the afterwar is. what happens when you come home mentally wounded and try to recover from what you have seen and what you have don