The science fiction genre provides fertile ground for comic book storytelling. We get adventurers who travel to far off worlds, heroes that fight interstellar battles, advanced technology, alien races, and worlds far beyond ours. From family-friendly tales to spine-tinglers, these imaginative comics entertain readers of all ages.

Throughout The Overstreet Comic Book Price Guide’s history, publisher Robert M. Overstreet and his team have monitored the collecting market of science fiction and other genres of comics. Here, we present the top sci-fi comics from 20 years ago, in 2004’s the Guide #34.

#1 – Strange Adventures #1 – $4,500
#2 – Mystery in Space #1 – $4,400
#3 – Showcase #17 – $3,500
#4 – Journey Into Unknown Worlds #36 – $2,900
#5 – Fawcett Movie #15 – $2,850
#6 – Showcase #15 – $2,750
#7 – Strange Adventures #9 – $2,700
#8 – Weird Science-Fantasy Annual (1952) – $2,650
#9 – Weird Fantasy #13 (#1) – $2,600
#9 – Weird Science #12 (#1) – $2,600