Thousands of books will be on offer at the annual sale which starts on Friday at Pioneer Recreation and Sport Centre.
The books and other material on offer have outlived their purpose in the city's library collection.
Prices range from 20c to $20, with most fiction and non-fiction books available for as little as $3.
"We have a wide variety of titles, genres and books for different ages available.
“We will be continually replenishing stock over the two days of the sale, so people don’t need to worry about not being able to find something. We have lots to choose from.”
Parking will be available at the Big Bargain Book Sale, which runs from 9am to 7pm on Friday and 9am to 4pm on Saturday.