mr. whitehead.e first is when you are writing, who is your target audience, and my second question is there any subject that is off limits? >> guest: my ideal audience member i think invisible man at an early age, who is this goofy dude and then the book came out and there was no 16-year-old kid in the audience, white or black and i stopped expecting for my audience is. less hard to describe. then i followed up with a book about zombies and lost all those people so i'm interested in getting new readers and then i move on with my next book and i don't think about the audience anymore. i don't know much about football so it is unlikely but i think i never thought i would write a book about this but as you go through life, different things become more or less interesting to use of that is no way that i could have predicted. but a reading the autobiography of stanley he described where some came down to east africa especially and 30 to 40,000 villagers and to get 5,000 slaves. of course there are buyers