Don't Fear Making Mistakes
If you have made mistakes, there is always another chance for you. You may have a fresh start any moment you choose.
I think the mind maps are a GREAT idea. We do need to involve more senses to improve our understanding, and indeed, mind maps do a great job. I am also quite busy; though the way you expose different concepts is straight forward — prompting me to take action NOW. Besides, mind maps are easy to apply to some particular areas people may be interested in… I thought on developing my own mind maps though why invent the wheel twice… Everything looks very well organized in your drawings and e-books…