my friend and abc news contributor cady coleman.l. this book is so fantastic and i love that you talk about missions, but not just in the way you think about it with space. tell me about that. >> well, i think, you know, it's easy to think a person on one of these patches is on a mission and there we are up on the space station, the six of us. and really, being up there, understanding that if i didn't do my job or help my crew to do their jobs, the mission wouldn't get done made me understand that we all have missions down here on earth and i wrote this book to share the magic of space, but also the fact that whether it's in your home or your community, at your job, you're there for a reason. you exist for a reason. you know what it is and i've collected some things that really helped me accomplish missions. >> gio: and you have such a beautiful perspective in the way that you look at life, in the way that you look at our planet. but it's also so cool because you also spent six months in space on the international space station. wha