Affordable Secondhand Books

Explore our Collection of Nonfiction Used Books

explore secondhand nonfiction books now
buy as many secondhand books as you like and pay a flat rate of $9.95 postage to any address in Australia. Australia Post Standard Parcel Post.


$10.95 postage for as many books as you like to any address in Australia, including Post Office Boxes and Parcel Lockers.
a woman reading secondhand books in australia

An Australian Online Used Bookshop

A small business based in South Australia, Books of
Knowledge specialises in nonfiction secondhand books.

Our mission is to provide you with good books that inspire life-long learning, critical thinking, and creativity.