The Ultimate Graphic Novels Collection #30

This volume collects the 'Unthinkable' story arc from Mark Waid and Mike Wieringo's acclaimed run on Fantastic Four. The storyline sees Reed Richards' intellect pushed to its limits as the team faces a terrifying new threat from the demonic entity known as Mephisto, who targets the Richards family in a deeply personal and devastating attack. It's a defining chapter that explores the limits of Reed's genius and the emotional core of Marvel's first family.