Based in Northamptonshire, Andrew Mikolajski is the author of over forty gardening titles, sold internationally. Recent works include books on orchids, houseplants, and permaculture. He has also contributed to many RHS reference works and was a consultant on the latest revision of the RHS Encyclopedia of Gardening (DK). He has taught garden design and RHS certificate at Warwickshire College, and garden history at the English Gardening School at Chelsea Physic Garden. He leads garden tours and gardening masterclasses at Lamport Hall (home of the garden gnome) in Northamptonshire as well as speaking to garden clubs and societies across a large area of England. Andrew is also an RHS judge.