I haven't been using Lisp languages much in the last five or six years since I started using Ruby or Haskell more often to experiment with new ideas and projects. Now that I am winding down my remote consulting business (more detail later) I want to spend more time writing: I have three book projects that I am currently working on: "Practical Scheme Programming (Using Chez Scheme and Chicken Scheme)" , "Ruby Programming Playbook" ,  and a fourth edition update to " Loving Common Lisp, or the Savvy Programmer's Secret Weapon" . All three of these books will be released using a Creative Commons no commercial reuse, no modifications, share with attribution license, so copies of these eBooks can be shared with your friends. I was very excited when the fantastic Chez Scheme system was open sourced but some of the excitement was soon tempered by the time required to get much of my existing Scheme code running under Chez Scheme and  R6RS. To be hon...