Jacqui Bailey has spent a lot of her adult life working with children's books. She has been an editor and publisher of everything from picture books to encyclopedias, but mostly enjoys finding out amazing bits of information and then writing about them. She particularly likes writing about science, as the information so often turns out to be far stranger than fiction.

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• 1: What is electricity?2: How do we get electricity?3: Packets of power4: Right way, wrong way5: Going around in circles6: Will it work?7: On and off8: Test your skill9: Flowing along10: Brighten up!11: Wild electricity12: Useful words13: Index