She's spent an hour in Hastings Library every Wednesday since June, but Senior Constable Deb Potter hasn't touched a book.
Instead she's been breaking the age-old rule for libraries - she's been talking.
It's a community policing idea from the United States, called "Coffee with a Cop".
Potter said it enabled people to talk informally with police for advice, to find out information or "just to know we are a normal person under this blue uniform".