Christ urged his disciples to focus on the unsaved, not keeping the existing disciples happy and content. While those things should come with any successful outreach, modern-day preservation techniques can sometimes crowd out the Great Commission's mandate. The system (from the book by Bill Hybels and Mark Mittelberg) has been completely reenvisioned for young people by Bo Boshers and offers Christians a hands-on way of developing their own style of evangelism. Becoming a Contagious Christian youth edition curriculum works with any size group and can be presented successfully in many formats. This is the participant's guide.