here's james patterson on why they wrote the book. >> we had a mission, matt and i. firstly, that if you have been through this, if you're a veteran, if you've been in the military, that you would say sergeant eversman and patterson got it right, they told our story. we identify with them. we've had trouble sometimes expressing the story ousts, but there it is -- ourselves, but there it is. and if you're like a lot of people listening right now who think they know what the military's about or could care less, you will understand it for the first time in your life. i swear to god, you will. and you will, you will understand what it means to serve, and you will understand what it means to put your life on the line for somebody else. and the next time that anybody -- when you thank somebody for your service, you will know what you're thanking them for, which is huge. and it really -- i think it's hugely important. for me, this is the most important book i've ever done, by far, because you will understand at the end of this -- which is what you want to do with every new