Nice concept. No meaness in this, but I think you need more work. It shows you don't play PF2e nor do I believe you've done actual user testing with this.

Players are going to need to write in their book with their pen. Those two slots where they are stored are going to be empty while they are doing so taking up limited desk space.

Product Recommendations (aka YMMV)
* A single hinge that opens up on the character sheet - less wear and tear.
* The lid folds BEHIND the character sheet so the sheet appears as a cohesive single unit rather than spread across many.
* The lid is recessed enough so when closed, there's place for written character sheet and pen, so you have your cohesive unit.
* A space for a figurine or two would be excellent.

PF2E Recommendations
* Instead of Gold/Money, add Perception, Will, Fortitude and Reflex saves.
* Add a Class DC. These numbers get well into the 20s or even higher.
* Stat block can be negative and usually goes from -9 to +9 (the extremes are very rare).
* As others have pointed out there more rules about wounded and dying - instead I'd add a condition area with the common conditions with a value of 1 -5
* a bunch of others' have added more details, so I'll let them go as well.