00341nam a22001217a 4500008004100000020001800041082000800059245002700067260004100094300001900135500001800154650004700172140725b        xxu||||| |||| 00| 0 eng d  a9781405363853  a03200aHomework encyclopedia.  aLondon :bDorling Kindersley,c2011.  a448 p. :bill.  aInclude index  a Children's encyclopedias and dictionaries