The Indoor Plant and Flower Expert

Dr Hessayon is the world's best-selling horticultural author - his Expert series of gardening books have sold over 53 million copies. He has been honoured by Queen Elizabeth who created him an Officer of the Order of the British Empire for services to British horticulture. He has been honoured by a leading newspaper which included him in its list of '60 Truly Great Elizabethans' because "he has taught millions of us how to garden with his wonderful do-it-yourself guides". He has been honoured by Guinness World Records as "the top-selling living author of the 1990s". He has been honoured at the National British Book Awards with the first-ever Lifetime Achievement Award. The Expert style is hard to define. According to the Librarian of the Royal Horticultural Society "Dr Hessayon perfected a manner of presentation which has yet to be surpassed for clarity, intelligibility and ease of access". According to The Times "he invented a formula of clear, uncluttered advice and illustrations with a superbly logical layout".There are 21 Expert titles in the series which have been enjoyed by gardeners all round the world. The House Plant Expert  has now passed sales of one million copies in both the U.S. and Russia.