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To contact Katy + collaboration enquiries:

hello@katyhessel.com / holly@littlearrow.co.uk

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For UK book enquiries:

Laura Brooke | LBrooke@penguinrandomhouse.co.uk

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For children's book enquiries:​

Bea Cross | beatricecrosspr@gmail.com

Daisy Northway | DNorthway@penguinrandomhouse.co.uk 

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For US book enquiries:

Elizabeth Riley | eriley@wwnorton.com

Gina Savoy | GSavoy@wwnorton.com