Essential Fantastic Four, Vol. 2

Four friends braved the unknown dangers of space together in search of the secrets of the universe! But then, the unthinkable happened -- the spacecraft carrying the adventurous foursome was bombarded by cosmic rays. Forced to crash-land back on earth, the quartet found themselves in possession of astonishing powers! Together, they are Marvel's First Family, the Fantastic Four! Collects: Fantastic Four #21-40