Abigail Willis is an arts and gardening writer. She has written about urban gardens, and London gardens, in particular. Her London Garden Book A-Z has twice been shortlisted for the Garden Media Guild's Inspirational Garden Book of Year award. She is a member of the Critics' Circle and the Garden Media Guild. Dave Hopkins is an illustrator specializing in all forms of line work. His clients include numerous publications from The Economist to Mojo .