This paper published by Rob Blackwell and Active Web Solutions discusses how L Sharp is a powerful Lisp-based scripting language for .NET. It uses a Lisp dialect similar to Arc but tightly integrates with the .NET Framework which provides a rich set of libraries. L Sharp is free software distributed under the terms of the GNU General Public License. One can download the latest release from www.lsharp.org. This paper introduces L Sharp, explains its rationale and gives practical examples of its usage.