by Rose Griffiths , P. Millard
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Rapid maths
Maths Plus
Number Connections Green Level
Number Connections Blue Level
Number Connections Yellow Level
Number Connections Purple Level
Kokuritsu Kokkai Toshokan shozō Meijiki ...
A Tangled Tale
Mathematical recreations and problems of...
The Game of Logic
O homem que calculava
Mathematics and the Imagination