To visit Penelope Hobhouse's website click here
Pia Tryde is an internationally-acclaimed photographer. She lives in Sutton, Suffolk.
Sarah Raven, writer, cook, broadcaster and teacher, is an expert on all things to grow, cut and eat from your garden. She runs cooking, flower arranging and gardening courses from her farm in East Sussex and is the author of several books on gardening, including The Cutting Garden, which won the Garden Writers' Guild Award for Best Specialist Gardening Book in 1993. She also writes for national newspapers and magazines and is a presenter on BBC Gardeners' World. Sarah is married to the writer Adam Nicolson and has two daughters and three stepsons. They live at Perch Hill Farm in East Sussex.