While looking up info for Prime Music to use with the new Amazon Echo that I finally received, and to answer questions for friends who have received one as well, I found that the older methods for finding KOLL had changed for the later Kindle Fire tablets.
Also, the Kindle Owners' Lending Library is no longer highlighted in the top banners when you go to the book store, and the link to it is in the unseen menu that you need to swipe to the right, from the left edge, to see -- or you can click on the TINY menu icon at the top left to get the options, but I usually have better luck with the swiping method.
So, this is a refresher for those who've not used it for awhile (like me) and maybe new info for recent Kindle owners who may not know about it because Amazon has been featuring, more visibly, Kindle Unlimited ($10/month to borrow up to 10 books at a given time instead of borrowing one-only per calendar month for free) as well as the newer Kindle First and other currently highlighted features.
The details found on that scrolling page will answer a lot of common questions about the program.
The lending library started with only 5,000+ books and is currently at over 950,000 Kindle books. Here is the straight listing of the 950,000+ books, the default set being those that Amazon is featuring -- and if you change the Sorting (at top right) from "Featured" to "Avg Customer Review," you'll see which ones have a lot of 5-star ratings for whatever reasons.
You can browse by categories or, when using a Kindle e-Ink eReader or a Kindle Fire tablet, you can search the lending library.
Prime shipping members (UK here) who own Kindle devices can use KOLL, but it's not available on Kindle apps for other devices.
You can borrow one Kindle book per calendar month, from a choice of over 950,000 now, without dealing with waiting times or due-dates. The Big6 publishers don't tend to place their books in this library though.
I borrowed a book the other day (after returning one I had held onto for a long time), so I won't be able to borrow another one until the next calendar month, June, after I return the current loan.
Prime's Lending Library: Rules for borrowing Note:When you borrow a Prime library book, you do this from your Kindle, at the Kindle's Kindle Store and not from the Amazon web pages. The BIG RED $0.00 you see on the product page for "Prime" cost means it's $0.00 to Borrow it, from the Kindle,
How to borrow from the KOLL The first image is from Amazon, showing how this is done on e-Ink eReaders followed by some screenshots of the process on a more recent Kindle Fire tablet.
On a Kindle e-Ink eReader, you click on the top-right Menu's "Shop Kindle Store" and then on the store's top-right menu's "Kindle Owners' Lending Library."
On a Kindle Fire tablet, you'd click on 'Books' in the top menu. Then, at your library listing, click on the "Store" icon at top-right corner.
At the Bookstore, swipe right, from left edge, to get the options and choose "Kindle Owners' Lending Library," near the bottom of the page. (These are all Prime-eligible books and show as $0.00 for Kindle Unlimited users as well.)
When you get the KOLL screen to browse, you can also search for a book or author at the top. I typed 'Amy Tan' into the search field.
I didn't find anything by Tan in the Kindle Owners' Lending Library and chose from results showing books with similar content. When deciding on one, you'll see "Borrow for Free" under the orange "Buy for ___".
When I did this, Amazon reminded me that I still had a book out from this library and I needed to return it first, as we get only one book per calendar month.
For those who haven't tried it yet, in either country, Amazon offers, each month, 4 of the next month's new releases early and from these you can select one. They're Editors' Picks, and anyone can buy one of the featured book for $.99 (or UK £0.99). HOWEVER if you are a Prime (UK prime page here) program member, you get that selection for FREE (capitalization courtesy of Amazon).