00557cam a22001817a 4500008004100000020001500041020001800056040000800074050002100082100001700103245009000120246003300210260004900243300002000292505001800312518001500330650003000345070713s2006    njua          000 0 eng d  a9812704043  a9789812704047  aSDU00aQA95bY46 A 20061 aYeo, Adrian.10aAre you the king or are you the joker? :bplay math for young children /cYeo Adrian.30aPlay math for young children  aHackensack, N.J. :bWorld Scientific,c2006.  a148 p. :bill.   a9780415331098  aYT2025 M09 0aMathematical recreations.