Ms Macdonald said the clubs started collecting books in February and this year managed to fill about 1000 banana boxes.
"Our first job of the year is to try and find some nice person who has room for us to sort and store and this year Kay Adams, previously Adams Travelines, she's let us use her premises down Port Rd," said Ms Macdonald.
"People are very generous," said Ms Cowley.
The pair said it was the bargains that attracted people and that despite the advent of eBooks, people had told them it wasn't the same as flicking through the pages of a physical copy.
"There's no comparison," said Ms Macdonald.
The sale has come a long way since the first event held in 1993, which raised about $1000. Last year's sale raised about $30,000 and Ms Macdonald said she could not guess how much this year's sale had raised.