Why do stars twinkle?
How does a washing machine work?
Where is Burkina Faso?
From A to Z and everything in between, the answers are all in the Oxford Children's Encyclopedia. Be it a school project on nuclear power, homework on the Roman empire, or a bet with your best friend on the world's longest river...The Oxford Children's Encyclopedia is the ideal companion.
THE RESULT OF A UNIQUE PROGRAM OF RESEARCH
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9 - 12 Years Reference Science Science & Math Science & Scientists Science & Technology