Special Deluxe Edition by Michael Geszel, Peter Spinetta, and Inaki Miranda. San Diego, CA: IDW Publishing, 2014
After a lab accident, a nanovirus was released that kills people when they turn 21. As a result, the world is now populated by kids and teens who to meet their needs have banned together in various tribes. There's more to it than that, as they all eventually learn.
See how to use this book to teach students to slow down and attend to details in Worth A Thousand Words: Using Graphic Novels to Teach Visual and Verbal Literacy (pp. 77-82).