Below i am giving you some very interesting e-books on this subject. I strongly suggest you to download any of the material and start working on it.
Almost all of my projects which are listed in my home page are interelated so you may find lots of information which can be used under one subject.
For example INNOVATION.
I am against the status of keeping a mind idle.
"An idle mind is the devil's workshop. An the devil's name is Alzheimer".
Use these open source e-books: (downloading takes little time depending on the size)
Critical Thinking Skills
Techniques for Creative Thinking
Memory Skills in Business
Critical Thinking Tools for Taking Charge of Your Professional and Personal Life
Smart Thinking Skills For Critical Understanding And Writing
101 Activities For Teaching Creativity And Problem Solving
Brain Storm Tap into Your Creativity to Generate Awesome Ideas and Remarkable Results