Here’s someone who has attempted to tackle the eternal question of why this particular brand of notebooks has become so popular: What is So Great About Moleskin Notebooks? 8 Reasons the Moleskin Notebook is So Appealing.
Unfortunately, his reason #1 is the not-really-true one about them being used by Hemingway and VanGogh. But here’s some other good ones:
6. They wear out well. The charm of the Moleskine notebook really comes out once it becomes a “used” notebook. A small notebook sitting in someone’s pocket for some time begins to form and change shape to fit in the pocket and against the body. It’s almost as if it adapts and changes shape. In a good way. It becomes comfortable.
7. Having a full Moleskine. As above, there is something extremely satisfying when you fill up a Moleskine. The charm of it all really comes out when you look at the worn bind and full pages. Fill up several of these and it makes the effect even better.
Of course, other brands of notebooks also look appealing when they’re worn in and full…
What makes Moleskines appealing to you?