Wondrous item, common (requires attunement by someone who can read and write)
Usually, this magical book copies are written and also drawn the information in the attuned user’s handwriting and the style. Whenever you or any other creature places the piece of a paper or the paper like the material in this specific book and then close it, any type of pages in the contact with they are written or drawn the information copy the information onto themselves, in a handwriting and also the drawing style of the attuned user. While copying new information onto the page which is already used erases the previous information.
Because of it is holding and also attuned to this book, you can easily use the bonus action for thinking about the document which has been copied into a book, like it is causing the book to fly open to a page that it was copied onto.
Suppose, if that specific book would become attuned to the new creature, or else the book loses its attunement to any of the creature, then all the pages will become blink.
Usually, the book of Memory typically has 100+ 10d10 pages, each of which has two sides.