The Notebooks of Malte Laurids Brigge has 191 pages.
Bonaparte à Malte has 153 pages.
The Vinyl Cafe Notebooks has 344 pages.
From the Notebooks of Dr. Brain has 385 pages.
That is how Steve made the Handy Dandy notebooks. He used bright yellow paper to make the pages in the handy dandy notebooks.
Pages
Around 13000 pages...
100 notebooks (180 pages) costs $399.00 not including tax!
There are several legal aspects of lab notebooks, including using permanently bound pages to enure data cannot be altered, and having notebooks inspected by other scientists on a regular basis. Another legal aspect of lab notebooks concerns the recommendation to write with non-erasable, permanent ink pens.
... that he used mirror writing.
I don't believe that to be the case. There is no classified information in Leonardo's notebooks.
Never. When he died is when he stopped. Over 7,000 pages still exist today.
One can buy small spiral bound notebooks at any Office Max, or Staples. These stores have a variety of sizes and numbers of pages, and different prices. Check their retail stores or their online stores.