British gardening writer and scientist (1928–2025), creator of the Expert series of gardening guides, including The Vegetable & Herb Expert and The House Plant Expert.
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The House Plant ExpertA best-selling, fully illustrated guide to choosing, growing and caring for house plants · 1980
The Vegetable & Herb ExpertA compact, picture-filled guide to growing vegetables and herbs at home, from sowing to harvest · 1997