Fazmofobi -

The best chance for writing; very easy to place effectively. 💡 Pro Tips for Evidence Gathering

You must use the secondary action key (default 'F' on PC) to place the book open on a surface. Tossing it with 'G' (drop) leaves it closed, and the ghost cannot write in a closed book. Fazmofobi

Ghosts have a limited number of things they can interact with. Removing "filler" items like shoes, plates, or cups from the room increases the RNG chance they will pick the book for their next interaction. The best chance for writing; very easy to place effectively

To get the ghost to "write-up" its evidence, you must follow specific placement and interaction rules: The best chance for writing