ON-LINE COMMUNITY NETWORK OF SETS

Method and system to provide users with access to authoritative sets of various collectable items and to permit users create and manage their own sets based on the respective authoritative sets are described. An authoritative set may be a collection of images representing collectable items. Access to an authoritative set may be provided via a web site that facilitates a community space where users can compare their collected sets to the authoritative set and determine what products may be missing for their user's set.