Books By Pippa Greenwood, Andrew Halstead, Royal Horticultural Society (Great Britain) - Author

Pippa Greenwood ran the Plant Pathology department at the RHS and has been a gardening presenter on TV and radio for more than 25 years, most notably on the BBC for Gardeners' World and Gardeners' Question Time. Andrew Halstead was Principal Entomologist (an insect specialist) for the RHS and is now a gardening author, journalist, and lecturer.