Also: How to get (great) free books on Kindle Now the Pen is getting a fountain pen for writing calligraphy, a marker for highlighting text, and a pencil for sketching. Plus, each brush type gets five thickness options. The existing options included the pen, highlighter, and eraser.  On the Premium Pen, the new brush options are available in the customizable shortcuts button, and it features a dedicated eraser.  Review: The best e-readers aren’t all Kindle The update also brings the ability to create subfolders for organizing content in notebooks. Pressing the “+” button in a folder creates a new subfolder. To move a folder elsewhere, users can press the three-dot menu and select move.  The three-dot icon also gains features for navigating inside notebooks. After pressing the icon, users can select “Go to page” and type the page number they want to skip to. It’s a handy feature for larger notebooks.  One limitation of the Kindle Scribe when ZDNET reviewed it was that you can quickly send handwritten notes as a PDF to an email, but couldn’t send it as a text file, OneNote file, or Word document.