Book?

I chanced upon this book, titled, "How to Pass Your Exams."
I was thinking, I could have been able to write such a book too.
It would probably be a thousand pages long thick.

With the sample below:

And there you have it, my thousand page book, with only 10 pages filled. The rest are all blank.

I don't know about you, but to me, there really isn't a methodology that helps you to pass your exams, besides hardwork and clarification of your doubts.