Issues
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#1 · The Riddle of the Sealed Box, Part 1
Jul 1, 1988
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#2 · The Riddle of the Sealed Box, Part 2; The Mystery of the Sleeping Gas, Part 1
Aug 1, 1988
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#3 · The Shadow vs. Hoang Hu, Part 1; The Mystery of the Sleeping Gas, Part 2
Sep 1, 1988
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#4 · The Shadow vs. Hoang Hu, Part 2; Danger on Shark Island, Part 1
Jan 1, 1989
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#5 · Danger on Shark Island, Part 2
Feb 1, 1989