Some are used
because the seller who is selling it wants to.
Of course it depends on what year it was out because if it is like 2006 or something like that is is probably why it is cheap
Lower overhead than local brick and mortar stores, no face to face customer service, low transaction costs.
Amazon is able to buy all or most of the books printed by a publisher. Baby bop :)
You can purchase books on Tarot from Amazon (both physical copy books and Kindle file books), Barnes and Noble (both physical copy books and Nook file books), and eBay.
Target's have them. Target's have them. Target's have them. Target's have them.
Books on business can be found at bookstores like Coles, Chapters or Barnes and Noble, garage sales, at the local library, and on Amazon, Forbes and Money Week.
Your local Bookstore should be able to tell you were
Roald Dahl's books can be found in libraries, bookstores, online retailers such as Amazon, and sometimes even in secondhand bookstores or charity shops. You can also check with your local school or community library for availability.
One can purchase books about how to make millions from online stores such as the website Amazon and the bidding website eBay. It is also possible to find them at local bookstores.
History and archaeology books can be found at local bookstores, libraries, online retailers such as Amazon or Book Depository, and specialized online bookstores that cater specifically to these subjects. Additionally, academic institutions and museums often have bookshops or resources where one can purchase books on history and archaeology.
Books by Ivica Prokic can likely be found on major online book retailers like Amazon, or through the author's official website if available. Libraries, local bookstores, or international bookstores may also carry his works.