module("Preview");
-function Book(identifier, previewWidth, coverWidth, titleWidth, bookId) {
+function Book(identifier, previewWidth, coverWidth, titleWidth, imageSize, bookId) {
this.identifier = identifier;
this.previewWidth = previewWidth;
this.coverWidth = coverWidth;
// Protected book with marked cover returned as cover
new Book('joyofsoaringtrai00conw', 2571, 2571, 2419)
+
];
for (index in books) {