The Aliens/Predator Split Issue (aka Aliens/Predator Free Comic Book Day 2009 Split Issue, or Free Comic Book Day 2009 Aliens/Predator Split Issue) was a special comic book published by Dark Horse Comics in May 2009 to commemorate the Free Comic Book Day 2009 event on May 2, 2009. It was produced in flip-book format with a different cover and story making up each side/half of the book. Both stories were written by veteran Aliens/Predator/AVP writer John Arcudi. The Aliens story was drawn by Zach Howard, inked by Mark Irwin and colored by Brad Anderson. The Predator story was illustrated by Javier Saltares and colored by Wes Dzioba. The issue was edited by Chris Warner and featured covers by Howard and Anderson.