Conversion of the world... now that's a phrase seldom heard. Much less seen on the cover of a book.
Our purpose is twofold. First, to encourage every Christian to involve themselves in sharing the good news with others. And secondly, to promote the the hope of promised victory regarding the future of God's Kingdom on the earth.
I posted book in the category 'call and ordination' because neither is actually needed for this great work of leading others to the Living Water.