Originally trained at Hertfordshire College of Horticulture and Royal Botanic Gardens, Kew, Alan Titchmarsh is the author of over 40 books about gardening, including How to be a Gardener Book 1: Back to Basics, the fastest-selling of all time in the genre, and the bestselling The Kitchen Gardener: How to Grow Your Own Fruit and Veg. He writes for BBC Gardeners' World Magazine, and is gardening correspondent for the Daily Express and Sunday Express. He has presented Gardeners' World, the annual coverage of The Chelsea Flower Show and Nature of Britain, and has his own daily chatshow and presents his own show on Radio 2.