By: Robert Kirkman, Corey Walker, Dave Steward

Fight fire with fire. Fight evil with SCIENCE! Collecting the never before reprinted Science Dog back-up stories from INVINCIBLE #25 and 50, this story leads right into the senses-shattering back-up story contained within issue 75. If you're only reading INVINCIBLE in collected form - this is what you've been missing! Don't miss out a second time!