This tutorial for Perl/Tk, the extension to Perl for creating graphical user interfaces, shows how to use Perl/Tk to build graphical, event-driven applications for both Windows and UNIX. With Tk, Perl programs can be window-based rather than command-line based, with buttons, entry fields, listboxes, menus, and scrollbars. Anyone who has written even the simplest Perl program should be able to learn Tk from this book. It gets right to the point of what you need to know and why, teaching how to implement and configure each Perl/Tk graphical element. Numerous illustrations demonstrate how each element is drawn and how its configuration options affect its presentation. "Learning Perl/Tk is for every Perl programmer who would like to implement simple, easy-to-use graphical interfaces.