The Leuchtturm1917 Pocket Notebook is a portable size (9x15cm) and has 185 pages of ink-proof, 80gsm fountain pen friendly paper. All plain pages are numbered for later reference and there is a title page with a table of contents. It comes with a set of stickers to label the notebook and there is an elastic strap for fast closure and expandable inner pocket on the rear cover. There is a page marker, the final 8 sheets are perforated for easy removal and storage and the book is thread-bound so that it opens flat. A classic style of notebook executed to near perfection. Leuchtturm1917 Notebooks - Details Make All The Difference. The company (pronounced 'loysh-term') was established in Germany in 1917. An infatuation with writing, study and development that goes back to the rich academic tradition of Germany, a Leuchtturm1917 book is the product of attention to detail and an obsession with notebooks.