Once you have everything set up and everyone invited, there's one big thing to do: prepare your studies of Scripture. But what? Where do you start?
Romans, so they can get a good understanding of Christian doctrine?
Revelation, so they can see that Christians win in the end anyway?
Or maybe the Ten Commandments—the world needs a healthy dose of "Thou shalt nots."
I prefer to start with the Gospels, especially with people who know little about the good news. Bring them face-to-face with their Savior, and let them fall in love with him!
In Introducing Jesus, Peter Scazzero suggests these six passages: Luke 3:2-18; Mark 4:1-20; Mark 1:15-34; John 4:4-26; Luke 15:11-32; Mark 10:17-21.
If you want to try an entire book of the Bible, try a brief tour of John, or ask participants to try reading it on their own. It will raise lots of questions that you can discuss together.
For a group that is more familiar with the gospel, such as those who grew up going to a church but never committed themselves to Jesus, I would study a selection of passages from the epistles that deal with salvation. I'd ask them to read the book of Acts on their own, looking particularly at what was involved in accounts in which people became Christians.
I've found it fruitful to take a week off to view a video such as Jesusor Jesus of Nazareth. Take time soon afterwards to discuss the film.
Be prepared at some point in time to clearly present the gospel, either to the entire group or one-on-one as individuals seem ready. Certain tracts may be helpful if used wisely or booklets such as John Hendee's Peace Treaty With God (Standard Publishing).
Remember, too, that once a person decides to trust Christ, the work is not completed. Let's make disciples, not just decisions. ...