David Hamilton has been growing his own food for over 17 years and foraging for wild food for a lot longer. He holds an Honours Degree in Nutrition and Food Science and a Diploma in Sustainable Horticulture. He has been teaching wild food since 2005 and his students have included TV’s Mary Berry, Ben Fogle, National Trust Wardens and members of the British Army. He has written three books: The Self-Sufficientish Bible which achieved national and international critical acclaim; the award-winning Grow Your Food for Free; and Wild Ruins, an Amazon top 10 seller. David writes for a number of publications including Countryfile Magazine, Walk, Discover Britain, the Guardian and Gardener’s World Magazine.