'If any poetry book could capture the spirit of life in 2011, this would be it'. - Costa judges
A clear majority of the jurors had voted for Of Mutability, praising it as "very special and unusual and uplifting".
They felt that the book was "so accessible, and the subject matter was so relevant that if any poetry book could capture the spirit of life in 2011, this would be it".
The chair was Andrew Neil and his fellow judges included poet Ruth Padel, actor David Morrissey and broadcaster Natasha Kaplinsky.
Sinclair Mackay in the Daily Telegraph wrote: "Of Mutability, is so especially rich and resonant that it deserves the widest possible readership, even among those who never usually think of reading poems...And there is a dazzling variety of tone and colour and subject throughout - Shapcott's language dances lightly, and often with wit."