Secrets of the Unknown (1962, Alan Class)
Alan Class · 1962 · data: Grand Comics Database
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About this series
Secrets of the Unknown ran for 253 issues (1962–1989).
Publishing format: was ongoing.
Summary from Wikipedia (CC BY-SA 4.0).
More from Alan Class
Comic data from the Grand Comics Database (CC BY-SA 4.0). All rights to cover artwork reserved by the respective copyright holders. See our DMCA / Copyright page.