The Dewey decimal classification system is continuously revised to keep pace with knowledge. This means accommodating new topics, as well as revising the old one. Today the Dewey decimal classification has undergone 22 revisions to keep itself abreast of the ever advancing frontiers of knowledge and to cater the increasing demand of its users Edition 23. It is regularly (quarterly) to cope up with the pace of increasing universe of knowledge. This article has been made discussion about the modification revised version of 23 DDC edition and its features, updates and subscription information etc
