a book that has already been adopted for course use
                                                            
                                                     
                        
                                                
                        
                        
                            a free copy of a book which is provided only after the book has been officially adopted as the required textbook for a course
                                                            
                                                     
                        
                                                
                        
                        
                            a free copy of a publication furnished for a faculty member's use when the publication has been adopted as a required text for classroom use