Cover of Farmageddon
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Meet the author: Philip Lymbery

31 January 2014 Last updated at 09:40 GMT

Campaigner Philip Lymbery is the chief executive of Compassion In World Farming, a group which wants to put an end to factory farming by 2050.

He is also an author, after penning Farmageddon: The True Cost Of Cheap Meat, with the Sunday Times journalist Isabel Oakeshott.

Lymbery talks to Meet The Author's Nick Higham about the extensive research he and Oakeshott undertook for the book.

More from Meet The Author.