Programming Clojure Beta 7 is now available.
index-of-anyexample has been completely rewritten. The new version does a much better job of showing off functional style.
commute. "The Unified Update Model" makes explicit the common update model shared by refs, agents, and atoms.
The book is basically done, and is off for indexing, copyediting, etc. However, I will update any parts of the book affected by the new fully lazy sequences, once the dust has settled.
To make sure you have the latest, greatest version of the sample code from the book, go and grab the github repo.
Thanks again to everyone who has been offering feedback. Keep the feedback coming!