By Taylor, Nancy.. Harlow : Pearson Education, 2000 . 23 p. : ; , Kit contains 1 CD-ROM. 20 cm.. 0582529468
]]>By Dean, Mike.. Harlow : Pearson, 2001 . 40 p. : , + CD-ROM. 20 cm.. 0582529425
]]>By Shipton, Vicky.. Harlow : Pearson Education, 2006 . iv, 27 p. : , Kit contains 1 x CD-ROM. 20 cm.. 1405837586
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