In this week's episode of Off Panel, the co-writer of Five Worlds and founder/editorial director of First Second, Mark Siegel, joins to chat about the story behind First Second and his latest graphic novel. Siegel discusses editor brain vs. creator brain, the early days of First Second, the range of their comics, how being raised in France affected his view on comics, how the publisher first came together, the size of First Second releases, how comics have changed over the past 16 years, Five Worlds, its origins, incorporating world change into story, working with family, hopes for the future, and more.