Martin Gardner - Science Fiction Puzzle Tales
Clarkson N. Potter | 1981 | ISBN: 051754380X, 0517543818 | English | 156 pages | PDF | 4.95 MB
There are 36 puzzles. Each begins with a one or two paragraph "story" which is "kind-of" Sci-Fi. The story describes a situation or event. And then one or more questions are posed. In the answer section for many of them, an additional question is posed on the same "story." So each initial puzzle has up to three variations with solutions.
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