Version 1.5.2 of the <a href="http://www.encodo.com/documents.php#csharp-handbook">Encodo C# Handbook</a> is now available for download. It includes the following updates: <ul> Expanded “8.1 – Documentation” with examples (this section is now four pages long) Added more tips to the “2.3 – Interfaces vs. Abstract Classes” section Added “7.20 – Restricting Access with Interfaces” Added “5.3.7 – Extension Methods” and “7.17 – Using Extension Methods” </ul> <n>It's also available for download at the <a href="http://code.msdn.microsoft.com/encodocsharphandbook">MSDN Code Gallery</a>.</n>