     book.description = book.description.replace(/&?nbsp;?/g, " ") if book.description
 
     if categories = book.goodreads_categories
+      book.tags = (c for c in categories when !(c in FILTER_OUT_TAGS))
       book.fiction = if "non-fiction" in categories or "nonfiction" in categories
         false
       else if "fiction" in categories or "mystery" in categories or "fantasy" in categories

        true
      else
        false

  React.renderComponent(BookApp(), document.getElementsByTagName("body")[0])


      React.DOM.h4 className: "author", author
      React.DOM.div className: "description", description or " "
      React.DOM.ul className: "categories",
        for c in tags
          React.DOM.li key: c, c
      React.DOM.div className: "metadata",
        if @props.showAvailability
          React.DOM.div className: "availability",
