A secondary source explains it clearer Valuing Intangible Assets Reilly 1999 Some people believe that the compilations of the work of other authors are not subject to copyright protection This is not correct In fact the compilation of existing work may be considered an original expression subject to copyright A compilation is a copyrightable work that is the result of bringing together or arranging preexisting material regardless of whether that material is protected by copyright in an original way Copyright protection is based on the original selection coordination or arrangement of the material not the copyright status of the preexisting material itself cited from Copyright Permission and Libel Handbook