I am not a Christian and hence wanted to know whether there were any books of wisdom (not stories/accounts etc.) in Christianity and came across a good book by

I am not a Christian and hence wanted to know whether there were any books of wisdom (not stories/accounts etc.) in Christianity and came across a good book by Robert Alter titled The Wisdom Books: Job, Proverbs, and Ecclesiastes: A Translation with Commentary which you may also find interesting.