Her purchases are for the Milburn prison library.
Proceeds from the book sale, which runs from March 8 to 13, will help buy chemotherapy chairs for the Clutha district.
Inner Wheel spokeswoman Pam Henderson said the chairs adapted to a person's needs.
"The chairs are electric and cost $8000 each," she said.
They offer adjustable seats, backs and arm-rests.
Mrs Henderson said there was already one chair at Clutha Health First.
"The idea is to set up another couple."
The books have been donated from around the Clutha district, and are on sale for 50c for children's books and $2, $3 and $8 for adult's books.
Rotary member Don War estimates about 700 banana boxes each contain an average of 40 books, which works out to roughly 28,000 titles from which to choose.
