What started out as a parody of old school Star Trek fan fiction has transcended its humble origins and evolved into a term that is liberally used to describe hundreds of characters in books, television and movies. Let's get to the bottom of it, what is a Mary Sue and what's the issue?

• Naomi Gibson, author of Every Line of You, Game Over Girl
• Melissa Welliver, author of The Undying Tower, My Love Life and the Apocalypse
• Jamie Greenwood, creator & host of the Write and Wrong Podcast