javascript-objects.js

var book = {
 
  tarzan : { publisher: "Pub A", author: "Author A", pageCount: 300},
  "hidden universe" : { publisher: "Pub B", author: "Author B", pageCount: 1000},
  addBook : ...., 

  removeBook : function(name) {
    var temp = this[name];
    delete this[name];
    return temp;
  }
 
};