Person’s private book (5)

I believe the answer is:

diary

(Other definitions for diary that I've seen before include "Appointment book" , "Pepys' daily record" , "Personal record book" , "personal account" , "Personal journal" .)

I've seen this clue in The Mirror and the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.