Limit the number of books on your Kindle device.

[AnnieQuinn]

I wonder if anyone has reached the limit to realize this?
But I just discovered that the Kindle device only recognizes 15,000 books.
Of course, I understand that this is a very, very, very large number of books. Enough for people to read in their entire lives, maybe not all.
But because I have small short story files, the content is very short, so the number seems quite large.
When sending using the "Send to Kindle" method, you can send a lot of books to the Library. Here, I sent over 16,000 books.
But on my Kindle device (paperwhite 3, 5), they are always limited to displaying 15,000 books, the maximum, cannot be increased even to 15,001. It is a display problem, not a memory-consuming download problem.
Of course, this is just an interesting discovery that I have not found information elsewhere. It's not a big deal. Since no one can read that many books, it doesn't have any widespread impact. I just wanted to share that with you.

[Sirtel]

Interesting. I wonder if this also applies to other brands? While I don't ever expect to have so many books on my ereaders (I only read novels, not short stories or novellas), it's still good to know.

The solution would be to merge a lot of those short files into anthologies and omnibuses. Easily done in Calibre with the Epub Merge plugin

[AnnieQuinn]

Originally Posted by Sirtel

Interesting. I wonder if this also applies to other brands? While I don't ever expect to have so many books on my ereaders (I only read novels, not short stories or novellas), it's still good to know.

The solution would be to merge a lot of those short files into anthologies and omnibuses. Easily done in Calibre with the Epub Merge plugin

Yes, I just did as you said. Merge the short books.
And before that I tried to see how they display the book limit. And realized that. If the order of the books is from 1 to 15000, then when we send book 15001 (or more), book number 1 (oldest) will not show up on the device anymore. We will have books number 2 to 15001. Make sure it is exactly 15000 books.
And with the original book number 1, although it does not show up on the Kindle device, it still exists in the Library. And we can use "deliver" to send it to the device. And now, it acts as a sideload book. It cannot synchronize the reading progress.

[drofgnal]

I never keep more than about 10-15 books on the device at a time.

[JSWolf]

There is no way I'd ever hit 15,000 books on a Reader. Not even close.

[Quoth]

Any kindle with less than 32 G Flash can't even store 15k ebooks!

In general any ereader with 32G Flash has less than 32 G free and depending on size can store 12k to 20k ebooks.

BUT NOT in the "root". The root of mounted storage only allows 65K short file names (8.3) because it's usually FAT32. Typical ebook file names could use up to 10 entries. So 16k limit would be 4 entries per longer ebook filename. Typically you'd not get as many as 16k ebooks with long filenames in the "public mounted root". One reason why Android and newer Kindles use MTP.

Using a folder called "Books", or whatever extends you to 16k to 20k ebooks depending on file size. Without that you might get only 8K.

Conclusion
A 15k limit isn't unreasonable.

At one book a day, the 16k books will take you 43 years. A Kindle might last 20 if you replace the battery 2 to 4 times.

[Quoth]

However if they are all very short then 15K is an issue. But also organisation as Collections is broken on Kindle.

You need to make them into Anthologies and/or Omnibus editions on Calibre.

[AnnieQuinn]

Originally Posted by Quoth

However if they are all very short then 15K is an issue. But also organisation as Collections is broken on Kindle.

You need to make them into Anthologies and/or Omnibus editions on Calibre.

Yes, they are really short. Each file is only about 0.11-0.12MB, with only about 10 pages of content per file. Because they are short stories from old newspapers.

Since I didn't think there would be a limit to the number of files I uploaded to the library, I should probably delete them from the Library now, and start compiling them in Calibre.

Thank you ^^

[AnnieQuinn]

Originally Posted by drofgnal

I never keep more than about 10-15 books on the device at a time.

Yeah, I don't keep more than 5 at a time either. It's just that these ebooks are too short this time. I want to "send to Kindle" once, so they're stored in the Cloud Library. I'll download them to my device gradually, one by one.

[AnnieQuinn]

Originally Posted by JSWolf

There is no way I'd ever hit 15,000 books on a Reader. Not even close.

As I said above, I fully understand that 15,000 is a really big number, and very few people can reach it.
So I just want to share something interesting that I discovered.
Hmm, actually the 15,000 books I mentioned in my case, is not too much. Because I can read 1 book (10 pages) almost every 3 minutes. It can't really be called a book in the true sense, it's just a file containing short stories.
And I estimate, I can read them all in about 3-6 months.

[Sirtel]

Originally Posted by drofgnal

I never keep more than about 10-15 books on the device at a time.

I keep about 2000 or 3000. They're all novels, not short forms. Of course I'm not going to read them all before upgrading to a newer model, but I like to have a large selection immediately available.

[AnnieQuinn]

Originally Posted by Sirtel

I keep about 2000 or 3000. They're all novels, not short forms. Of course I'm not going to read them all before upgrading to a newer model, but I like to have a large selection immediately available.

Oh, I also like having many choices. Honestly, even though I know I won't read them all, I feel "secure", "rich", "ready" every time I look at a lot of books.
But I usually don't download and keep many books offline, on my device. Most of them are stored in the Library, and when I need them, I download them, read them and remove them from my device (still in the library).

[Sirtel]

Originally Posted by AnnieQuinn

Oh, I also like having many choices. Honestly, even though I know I won't read them all, I feel "secure", "rich", "ready" every time I look at a lot of books.
But I usually don't download and keep many books offline, on my device. Most of them are stored in the Library, and when I need them, I download them, read them and remove them from my device (still in the library).

I could use Dropbox or Google Drive for my books with Kobos, but I don't. I sideload everything via USB. The major reason for this is the automatic metadata (including series) and collection management with Calibre - I don't have to sort anything on my Kobos manually, I connect to Calibre and everything will be sorted automatically. I would lose that with cloud downloading.

[AnnieQuinn]

Originally Posted by Sirtel

I could use Dropbox or Google Drive for my books with Kobos, but I don't. I sideload everything via USB. The major reason for this is the automatic metadata (including series) and collection management with Calibre - I don't have to sort anything on my Kobos manually, I connect to Calibre and everything will be sorted automatically. I would lose that with cloud downloading.

Yes, and I have 2 Kindle devices, so I need to store my library on them so that I can sync them when I switch devices. One at home and one at the office.

Oh, and I have a Boox. Where I can store a ton of books on a 128GB memory card. But my husband took it, because he likes to “carry a huge library” around.

[cvkemp]

I only keep the books I am reading on and maybe while traveling I will add the next one or two books on my reading list. It just doesn't make sense to me to have my whole library on my Kindle. It is too easy to finish a book remove it and add the next on my list.