I need YOUR help

Yes, read the title, I need your help.

I am going to write a short eBook that will retail for three dollars a copy. (Super cheap)
So, what would you like to know about? Here's some of my ideas -

1. Logo Manual - How to create logos
2. Blog manual - How to run a successful blog
3. Clickbank - Create small sites that will bring in CASH!
4. Any suggestions? Your answers are appreciated.