Heather Thomas (Author) Heather Thomas is a health and cookery writer and editor who has worked with all the major slimming organisations in the UK, including Slimming Magazine, Slimming Clubs, Weight Watchers, Slimming World, Rosemary Conley, LighterLife, Scottish Slimmers, Unislim, Cambridge Weight Plan and Tesco Diets. She is the author of The Avocado Cookbook (Ebury, 2016) and The Chickpea Cookbook (Ebury, 2017), The Sweet Potato Cookbook (Ebury 2017), The Hot Sauce Cookbook (Ebury 2018).Heather has worked with many top chefs, nutritionists and women’s health organisations and charities, and has contributed to health and food magazines in the UK and the United States. She practises what she preaches and eats a very healthy diet and stays slim and fit.Alina Tierney (Author) Alina Tierney is a nutritionist and food consultant who holds an MSc in Nutrition and Food Sciences from the University of Reading.