This page describes the steps done to create a wordpress bookshelf plugin
  * base on http://wp.smashingmagazine.com/2012/07/24/wordpress-bookshelf-plugin/
  * cosromized fields
  * DONE: add custom template to display book
  * DONE: show size/pages
  * DONE: text wrap around picture
  * ONGOING: show link to attached PDFs file if exists
  * TODO: adapt cu current wordpress theme