My book will be called "The Fantastic Power of Phucket!" (Think "fuck it")
The subtitle... The Radical Approach to Manifesting What You REALLY Want By Letting Go, Giving Up, and Chilling the Phuck Out.
So the cover of this book should be light and fun, but also convey there's something of practical value inside.
I see this going one of 2 ways perhaps...
1) I like the image I included on a very similar topic... I like the juxtaposition of the background image and the fonts... so creating something similar off this would work very well, I think...
2) Something very different, modern, edgy, clean. Apple-like.
In any case, the emphasis would be on PHUCKET! to get the reader's attention.