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Adventures in the Unknown Series
4 primary works • 4 total works
Book 1
The Mystery Men of Mars
Carl H. Claudy
2.75 avg. rating · 4 Ratings
Book 2
A Thousand Years a Minute
Carl H. Claudy
3 avg. rating · 1 Ratings
Book 3
The Land of No Shadow
Carl H. Claudy
3 avg. rating · 1 Ratings
Book 4
The Blue Grotto Terror
Carl H. Claudy
3 avg. rating · 1 Ratings
