Apart from book borrowing, the library is also offering DVDs, magazines and puzzles.
"We are not offering use of our Chromebooks which people use for gaming, writing CVs or whatever else as the 20-minute time limit is not long enough for that."
She said most people were just pleased to pick up some new reading material.
"We've had a lot of people say they had run out of things to read, they had reread everything they had."
Leadbetter said some library visitors had concerns over hygiene issues but she said all books were placed in the outside return slot and were then quarantined for 48 hours.
Library staff worked from home during level 4 but were back in the library at level 3, although the doors weren't open to the public.
Library programmes such as Little Ears storytelling, YOLO, the young adults reading group, the knitting group and the Stepping Up computer classes won't be happening until alert level 1.