Uses a practical, research-based approach to the design of icons. Icons are used widely but not always used wisely. This book will prescribe an orderly process for designing sets of icons, suggest ideas for ``unpicturable'' concepts, explain how to refine and test icon ideas, demonstrate how to design large sets of related icons, guide the development of icons for the international market. There is an icon glossary which features over 1,500 icons. The book/disk version features the icon glossary in both PC (Windows) and Mac files.