RHS Practical Guide: Patios & Courtyards by Dorling Kindersley
In this addition to the popular Royal Horticultural Society guides you'll learn how to create a patio or courtyard that you'll never want to leave. The Royal Horticultural Society walks you through everything you need to know from assessing site problems such as dry heat damp shade and lack of privacy to drawing up surveys and plans setting designs and choosing suitable materials to furnish the design.