Marvel's Greatest Comics #52 - Fn+ 6.5

Cover pencils by Jack Kirby, inks by Joe Sinnott. "By Ben Betrayed!", script by Stan Lee, pencils by Jack Kirby, inks by Joe Sinnott

Ben is driven mad by the treatments of Dr. Santini, revealed to be the Mad Thinker, and attacks the rest of the FF; Reprinted from Fantastic Four #69. 36 pgs., full color. Cover price $0.25.