The World of the Unknown Series

4 primary works • 4 total works

4.31 · 86 Ratings · 16 Reviews · published 1977 · 11 editions

Part of Usborne's cult classic 1970s series, back …

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4.33 · 292 Ratings · 51 Reviews · published 1977 · 9 editions

First published in 1977, this cult classic has bee…

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4.10 · 71 Ratings · 9 Reviews · published 1977 · 9 editions

-- Explore the frontiers that lie between belief a…

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4.43 · 49 Ratings · 5 Reviews · published 1977 · 11 editions

-- Explore the frontiers that lie between belief a…

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Series

1 primary work • 1 total work