Once a week or so, I sit down at the PC, remove some books from my Kindles, mark them as read on Calibre (tag 'read'), add some new books to the appropriate kindle ('paperwhite' for reading in bed, 'keyboard' for text to speech while commuting) and tag the books I am currently reading in Calibre by the device they are on. Kindle Books After you download a Kindle Book from Amazon’s website to your computer, you can find the ebook’s Amazon file in your computer’s Downloads folder. My 1263 (current count) works are stored on Calibre, I download from Amazon, Smashword, Baen, Project Gutenberg, etc.
I won't go into all it's advantages but, essentially it is your own personal library, that you can organize and store you books on, regardless of where it comes from. The only disadvantage the Calibre has it is a bit more difficult to connect wirelessly to your collection. I searched for solutions and read many articles & blogs, I strongly desired an Amazon/Kindle solution, the majority pointed to a single solution which I eventually adopted. Choose and install an eBook reader from the Android Marketplace.
I was trying to keep track organized with an Excel book. To view your eBooks using the Kindle app: Download the eBooks from your Humble Bundle download page in an EPUB or PDF format from your Android device. On the device notification that says USB Options, select File Transfer. Connect your Kindle Fire to your computer with the USB cable. Not all Kindle content is available for transfer from Manage Your Content and Devices. I personally have some OCD issues that require my books be in some kind of order that is not primary based on who I bought it from and when. From the drop-down, select your Kindle Fire, and then click Download to download the content to a folder on your computer. If you have works from anyplace else, then the prospects get worse.
Otherwise, you can transfer a library Kindle Book to your Kindle via USB, using these. In most cases, library Kindle Books can be delivered wirelessly to your device instead of via USB, as long as your Kindle has a Wi-Fi connection. Note: Kindle Books are currently available for U.S.
If every book on your devices is from Amazon, then you can do some organizing at 'Your Account' > 'Manage Your Device' > 'Your Kindle Library' or by using the cloud. How to transfer library Kindle Books via USB. I am guessing you have already found Amazon's Organizing Your Kindle Content.