A tribute to the grandes dames of gardening — Beth Chatto and Penelope Hobhouse

There is no longer much point buying strictly practical gardening books, such as were a staple of the publishing industry in years gone by. Those colourful, cheery, cheap volumes have been superseded by trustworthy websites, such as that of the Royal Horticultural Society, which can quickly answer any query you have about cultivation, plant identification or pest damage.