Castle of Frankenstein was an American horror, science fiction and fantasy film magazine, published between 1962 and 1975 by Calvin Thomas Beck's Gothic Castle Publishing Company, distributed by Kable News. Larry Ivie - who also was cover artist for several early issues - and Ken Beale edited the first three issues. Writer-artist Bhob Stewart edited the magazine from 1963 into the early 1970s. Although promoted and sold as a "monster magazine," readers were aware that Castle of Frankenstein, at the time, was the only nationally distributed magazine devoted to a legitimate and serious coverage of B movies. In addition to its central focus on classic and current horror films, Castle of Frankenstein also devoted pages to amateur filmmakers and fanzines. Its advertising pages sold full-length silent feature films such as The Lost World and The Golem.
Following employment as an editor for publisher Joe Weider, Calvin Beck (1929–1989) entered the monster magazine arena in 1959 with his one-shot Journal of Frankenstein, which had only a small circulation. As an experiment, Beck printed part of the run on slick paper. After a hiatus and a title change, Beck returned with the debut issue of Castle of Frankenstein in 1962.
Beck claimed that since his magazine carried no outside advertising, a standardized schedule was unneeded. Issues were published whenever they were completed, leading to an erratic, irregular schedule. Distribution also varied; while many well-stocked periodical outlets did not carry the magazine, some less-likely outlets (such as grocery stores) did.
The magazine ran 25 issues, plus one annual (the 1967 "Fearbook"); the final issue was published in 1975. Beck cancelled his magazine not because of poor sales but to devote his energy to writing books. During its primary run, Castle of Frankenstein outlasted the majority of monster magazines that filled the market for two decades, with the notable exception of Famous Monsters of Filmland.