sentences:  He has illustrated two "Pistolwhip" spin-offs ("Mephisto and the Empty Box" and "Pistolwhip 2") and written his own, 300-page graphic novel, "Two Sisters", as well as maintaining a regular webcomic set in the "Sisters" universe, called "Super Spy".In 2006, Kindt announced on his blog that he would be writing an experimental novel called "The End of the World".The book has been completed, but Kindt now plans to adapt it into a graphic novel.