       @cc.setOptions(options)
 
     lookUpPageByUuid: (uuid) ->
-      {allPages} = @parent?.parent?.regions?.sidebar?.views?[0]
+      {allPages} = @parent.parent.regions.sidebar.views[0]
       _.find(allPages, (page) ->
         page.getUuid() is uuid
       )

            pageNumber = page.getPageNumber()

        href = linksHelper.getPath('contents', pathInfo)
        @goToPage(pageNumber, href)

      router.navigate(link, {trigger: true})

    goToPage: (pageNumber, href) ->
      console.info('goToPage', pageNumber, href)
      @model.setPage(pageNumber)
      router.navigate href, {trigger: false}, => @parent.parent.parent.trackAnalytics()
      $(window).scrollTop(0)

      @cc.on('open', @cc.handleOpen)
      @cc.on('book.update', @updatePageFromCCNav)

      Backbone.on('window:resize', =>
        @cc.handleResize()
      )

