Supratim Samanta thinks this is interesting: (assoc book :page-count 362) From Changing Your Map Without Changing It from Getting Clojure by Russ Olsen Publisher: Pragmatic Bookshelf Released: May 2018 Note Add element to MAP Share this highlight http://learning.oreilly.com/a/getting-clojure/17087165/ Twitter Facebook Google Plus Email Get Instant Access Now Start a Free Trial Have an account? Sign in. Minimise Unlock the rest of Getting Clojure and 30,000 other books and videos By clicking this box, you confirm that you have read and agree to the terms and conditions of our Membership Agreement, and you understand that when your trial period ends, you will be required to provide billing information if you wish to continue using the service. Unlock the rest of this book Start a Free 10-Day Trial loading Learn about Safari for Business Have an account? Sign in.