Christina Harrison is editor of Kew magazine and has degrees in Plant Ecology and Garden History. She is author of Kew's Big Trees (Kew Publishing, 2019) and co-author of Bizarre Botany (Kew Publishing, 2016) and Treasured Trees (Kew Publishing, 2015), The Botanical Treasury (Andre Deutsch, 2016) and Remarkable Trees (Thames & Hudson, 2019).