From the cover: "Beginner's Guide to Hydroponics is a fascinating introduction to soil-less gardening, which holds out vast promise for increased food production in the near future. There are many amateur gardeners and householders who would like to take up hydroponics, if they only knew how to set about it. Possibly they have heard or thought that soil-less gardening is rather complicated and requires highly specialized knowledge. This is very far from true, and in this book James Sholto Douglas proves that anyone can be a successful soil-less gardener. Detailed instructions and sound advice for for setting up any different types of hydroponic 'gardens' are given by the author, an internationally known expert in this field."