Exercism provides exercises and feedback but can be difficult to jump into for those learning Common Lisp for the first time. These resources can help you get started:
- A Road to Common Lisp, a blog post explaining one person's road to Common Lisp and their opinions on how to get started with it.
- Practical Common Lisp, a complete book for learning Common Lisp, available free online (as well as in print)
- Cliki.net Getting Start Started Page, by various contributors
- Wikibooks book of Common Lisp, First steps, by various contributors
- Learn X in Y minutes: where X = Common Lisp by Paul Nathan
- Northwestern University EECS 325 Readings, by Chris Riesbeck
See also, within this Exercism Common Lisp track: Important Resources