does Amazon sell groups of fiction books?”
To be able for Amazon do offer bundled books e.g. of a specific author some organization has to take place which is a bit complicated: – Generate a special order-number for this – Ensure that there are always enough books in the stock to be able to ship the books as bundle and single. I.e. that it must be impossible that somebody ordering the single book can “take away” the last book making it impossible to deliver a bundle. This is rather complex so Amazon solved it that way that they offer you to put in other books by the same author or other books with similar topic into the shopping-cart. Also they show you the “customer who bought this also bought that”-part. The advantage of this is that the single books are still handled individually so the existing business-logics and organizations in the storage-house don’t need to be changed. This kind of bundling you see quite often with ebook-stores like the Sony Connect Store where you can buy ebooks for the Sone Ebookreader. But there it’
