Writer, garden historian and lecturer. She has taught at Birkbeck, Bristol and Buckingham Universities, writes for various publications and leads art and garden tours. Her most recent book, British Gardens in Time, accompanied a BBC TV series. Other books include Paradise of Exiles, Icons of 20th-century Landscape Design and Policies & Pleasances: A Guide to Scotland’s Gardens. She is currently working on a book about how the Medici Villas reflect the changing ideas of the Renaissance.