*Free Comic Book Day 2009 heralds the re-launch of two of the quintessential Dark Horse movie-to-comics franchises - the Fox blockbusters Aliens and Predator! Featuring a flip-book format with two covers and two stories - each devoted to one of mankind's deadliest adversaries - Aliens/Predator opens the airlock to a new universe of terror! *Source: freecomicbookday.com
Note: Actual book is not a flipbook format. It is two stories with an Aliens front cover and a Predator back cover in the standard format.