Mnemonic device for number of books in Bible new testament.

Mnemonic Device for number of books in Bible new testament.
To Remember :	Number of books in old testament are : 39 Number of books in new testament are : 27
Mnemonic Device Type :	Association
Mnemonic Device:	3*9 = 27
Explanation :	Prerequisite: You need to know there were 39 books in old testament. Since there were 39 books in old testament, use the word 3 and 9 and multiply that to get 27. By this form of association we can remember the number of books in new testament.
We Recommend:	1. Mnemonic device for Oceans on earth.
Remember this one possible way of remembering. If you have another mnemonic device better than this you can use that mnemonic device. Furthermore, if you have another mnemonic device don't forget to post as comment.