by David G. Wells
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Engaging Mathematics
Problem Solving for National Curriculum ...
The Penguin dictionary of curious and in...
Can you solve these?
Mathematics Through Problem-solving (Pro...
You Are a Mathematician
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