Download or read book Invincible Vol. 18 written by Robert Kirkman and published by Image Comics. This book was released on 2013-07-31 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mark Grayson's entire life as a superhero, all he's learned, all he's endured, it's all been leading to this one moment. Will he become the hero he was meant to or will he choose... a DIFFERENT path? Collects issues #97-102 of the greatest super hero comic in the universe.