Chicken scheme is a friendly implementation, they have a good package manager and modules repository, along with an api search tool, an active IRC, and pretty extensive documentation. It also compiles to C which is really nice.<p>The book The Scheme Programming Language <a href="http:&#x2F;&#x2F;amzn.com&#x2F;026251298X" rel="nofollow">http:&#x2F;&#x2F;amzn.com&#x2F;026251298X</a> is a good overview of the main libraries and language features, and has lots of examples.<p>Other than that, I&#x27;ve been learning mostly through google and trial and error.