We have a wide range of different forms of notebooks. These Jottbooks are characterized by lots of details that you don't normally find in notebooks. Leuchtturm is a German brand with a focus on details and functions. The differences between all are that JapaneseMidori's notebookshas colored paper, with same color on cover as i.Rhodiais a French brand with a long tradition of using fountain pens, good paper for that. Their paper is 80 GSM.TomoeRiver is a Japanese paperwhich is also perfect for fountain pens, with super thin paper of 52 GSM. Paperblanks Cahierhas aimed for glamor with beautiful covers and perforated papers.