User warning: The following module is missing from the file system: volo_basic. For information about how to fix this, see the documentation page. in _drupal_trigger_error_with_delayed_logging() (line 1181 of /volo/drupal7/includes/bootstrap.inc).
Yes! eBooks can be enhanced to incorporate additional graphics, video clips, glossary definitions, reference content, and URLs to enhance the reader's experience.