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The Mammoth Book of New IQ Puzzles
häftad,
2010,
Engelska,
ISBN 9781849010047
Nathan Haselbauer, President of the International High IQ Society, has painstakingly researched and designed this impressively varied collection of over 500 mind-bending puzzles to …
The Mammoth Book of Quick Puzzles
häftad,
2009,
Engelska,
ISBN 9781849010597
A brilliant, new collection of quick brain teasers offering satisfaction in moments! This giant volume offers hundreds of original new puzzles ranging from easy maths and logic …