This week, Gilly is with Dan Saladino, co-presenter of Radio 4 and BBC Sounds’ The Food Programme whose whopping 400 page debut, Eating to Extinction is a story of the world’s rarest foods and why we need to save them It’s a sweeping story of our relationship with food, of loss of diversity and its impact on humankind, our gut and our planet, woven through with wonderful tales of resilience and know-how of the food heroes, farmers and growers who hold the key to our future.