Here are two new competitively priced, compact, full-color guides that focus on a specific gardening topic, solve an array of gardening problems, and present every important plant group. Combining the authority of the American Horticultural Society with the visual magic of DK design, these practical handbooks are the ultimate quick-reference guides for gardeners. The AHS Practical Guides address particular needs and solve specific problems. With this wide range of small, affordable titles gardeners can build a customized mini-reference library that enables them to solve problems, acquire skills, and further develop their passion for the soil.