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Author: Paul Humphrey [ All ]

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  Title Copies
Electricity (Where does it come from? where does it go?) 
Year: 2000 
ISBN: 0749639210 
ISBN 13: 9780749639211 
 1 
Frog's Eggs (Red Rainbows Science) 
Year: 1993 
ISBN: 0237514036 
ISBN 13: 9780237514037 
 1 
Post (Where does it come from? Where does it go?) 
Year: 2000 
ISBN: 0749639229 
ISBN 13: 9780749639228 
 1 
Rubbish (Where does it come from? Where does it go?) 
Year: 2001 
ISBN: 0749639237 
ISBN 13: 9780749639235 
 1 
The Weather (Step-by-Step) 
Year: 1996 
ISBN: 0749623942 
ISBN 13: 9780749623944 
 1 
Water (Where does it come from? Where does it go?) 
Year: 2001 
ISBN: 0749639202 
ISBN 13: 9780749639204 
 1 
Which Foods Are Healthy (I Want to Know About) 
Year: 2011 
ISBN: 0237544962 
ISBN 13: 9780237544966 
 1