diff --git a/epub_content/epub_library.json b/epub_content/epub_library.json
index 785d0ae0c..42b0675a0 100644
--- a/epub_content/epub_library.json
+++ b/epub_content/epub_library.json
@@ -3,24 +3,28 @@
         "title" : "Page Blanche",
         "author" : "Boulet",
         "coverHref" : "epub_content/page-blanche/EPUB/Image/cover.jpg",
-        "packageUrl" : "epub_content/page-blanche/EPUB/package.opf"
+        "packagePath" : "EPUB/package.opf",
+        "rootUrl" : "epub_content/page-blanche"
     },
     {
         "title" : "Moby Dick",
         "author" : "Herman Melville",
         "coverHref" : "epub_content/moby_dick/OPS/images/9780316000000.jpg",
-        "packageUrl" : "epub_content/moby_dick/OPS/package.opf"
+        "packagePath" : "OPS/package.opf",
+        "rootUrl" : "epub_content/moby_dick"
     },
     {
         "title" : "Accessible EPUB 3",
         "author" : "Matt Garrish",
         "coverHref" : "epub_content/accessible_epub_3/EPUB/covers/9781449328030_lrg.jpg",
-        "packageUrl" : "epub_content/accessible_epub_3/EPUB/package.opf"
+        "packagePath" : "EPUB/package.opf",
+        "rootUrl" : "epub_content/accessible_epub_3"
     },
     {
         "title" : "A First Course in Linear Algebra",
         "author" : "Robert A. Beezer",
-        "packageUrl" : "epub_content/linear-algebra/EPUB/package.opf"
+        "packagePath" : "EPUB/package.opf",
+        "rootUrl" : "epub_content/linear-algebra"
     }
 
 ]