This week’s addict has a lovely and emphatically titled website: Pens! Paper! Pencils! All 3 are suitably celebrated there, including these notebooks:

This beautiful collection includes Moleskine, Rhodia, Muji, Calepino, Field Notes, and Monsieur Notebook. I really love those nicely worn-in leather covers, from Davis Leatherworks. (where they are only $17!)
Read more at Notebooks.