Puzzles and paradoxes / by T.H. O'Beirne. O'Beirne, T. H. Mathematical recreations. Puzzles. Paradoxes. QA95 .O2 793.73 OBP "Rearranged and amplified collection of some of the articles of a series with the same title which appeared from January 1961 to February 1962 in the ... New scientist." Includes Bibliography and index. New York, Oxford University Press, 1965. 1965. 1965 Text xiv, 238 p. : eng