Clarion Professional Developer, PC Magazine"s "Editors Choice" is a powerful database management package for MS-DOS single-user and network applications. This book is a thorough, well-organized guide for both programmers and non-programmers who want to create custom, high-quality application programs with Clarion. The author, a principal designer of the software, provides a basic overview for beginners, practical working examples for intermediate users, and sophisticated programming techniques for advanced users, as well as answers to the most commonly asked questions.