This dragon journal cover is a great way to add some flair to your D&D/RPG note taking. This model by stlflix holds a 5.7in by 8in Journal. If you are feeling adventurous you could even bind your own paper for a more dramatic effect.

Note there are two customization options, one that includes a journal binding, and one where you have to provide the journal. The spine easily snap on and off, then a journal can be tied into place. For non-journal version string will still be provided.