The best guided project/intro I've seen for complete beginners is Daniel Holden's "Build Your Own Lisp". It's a free online book that walks you through writing

The best guided project/intro I've seen for complete beginners is Daniel Holden's "Build Your Own Lisp". It's a free online book that walks you through writing a Lisp interpreter (something worthwhile even for experienced C programmers!): http://www.buildyourownlisp.com/ http://www.buildyourownlisp.com/