Charlotte and Simon like none of the same things - Charlotte likes building things and Simon loves knocking them over; Simon runs where Charlotte walks; on the see-saw, one goes up and the other goes down - but despite their differences they still love each other very much.

Hello Twins 2008, Candlewick Press (MA), Cambridge, MA

ISBN-13: 9780763639228

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Hello Twins 2007, Walker Books Ltd, London

ISBN-13: 9781406305234

New edition

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Hello Twins 2006, Candlewick Press (MA), Cambridge, MA

ISBN-13: 9780763630034

Hardcover

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Hello Twins 2006, Walker Books Ltd, London

ISBN-13: 9781844280469

Hardcover

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