Except for the unhappy expressions on their faces, they looked like they had settled in for a tailgate party.

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The expressions on their faces are still a source of horror.

NEWYORKER: Naima

Remember, it's still Saturday night and the book hasn't been out for 24 hours yet, but by noon Sunday, Katie Quinn says she's finished it, too, and both sisters now have slightly stunned expressions on their faces, as if they've just woken up from a long car trip.

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Previous studies have suggested that although humans might think that they can recognise different expressions on their dogs' faces, this is often inaccurate and a projection of human emotions.

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