Many of us love cookbooks. For some, they are a useful tool, and for others a source of inspiration. But then there are those for whom they are a whole lot more. Emily Thomas meets two people who are obsessed with cookbooks, collecting thousands of copies, and building emotional connections with each of them. Irish food writer Diana Henry explains how books can become soulmates, and Californian chef Cindy Pawlcyn describes how it feels to have a collection built over decades, destroyed overnight. If you would like to get in touch with the show, please email thefoodchain@bbc.co.uk (Picture: Pile of books. Credit: Getty/BBC)