Statista (The Statistics Portal) looks like it has some relevant ebooks revenue information (though not exactly what you are looking for). Unfortunately, you are forced to sign up for a premium account to access most of the reports. A sample report that they actually show you some of the information for is here (Global e-book revenue from 2009 to 2016*, by ...
Note the following -
A print book ISBN cannot be reused for the eBook
Separate ISBN for each type of format. Kindle, ePub, audio, print (paperback, hard cover), etc. are separate formats and each requires its own ISBN.
If we change the book beyond typos and we need a new ISBN.
We do not need an ISBN (its not mandatory) to publish using Amazon Kindle Direct ...
While you can (and should) obtain ISBNs for digital works that will be widely distributed, if you are only going to be distributing through a single website and not through third-party vendors like Amazon, iBookstore, Kobo, Nook, etc., then you do not need an ISBN.
ISBNs aren't cheap unless bought in large quantities, so if this isn't something you'll be ...
Big publishers may have a more direct route they can take for submitting their titles, but they are still required to follow the same formatting guidelines and provide the same information that Amazon requires of any self-published authors who use their Kindle Direct Publishing (KDP) program. The KDP program provides an interface that authors can use to ...
For general purposes, Ebooks are simple websites, contained inside of a predictable folder. This folder is composed mostly of the content of the ebook itself which is the form xhtml and css. The other files are files which declare exactly what contents are in the ebook folder. Each xhtml page, stylesheet, image, font, etc. is listed in one of these files ...
Scribd (https://www.scribd.com/1) will let you publish a pdf for free.
If your original manuscript was written in latex you could also convert that to an epub, although that it can involve a little work.
It's very common for the listing for publisher to be the company that formatted and produced the ebook. I wouldn't read too much significance into that. Sometimes this conversion services just duplicate everything -- though it is peculiar that it doesn't include some identification on the title page.
Booksmart is the name of an application for blurb.com. ...
Both of the above are easy to use, support many formats, but require that your ebook be free.
Also, Library Genesis is not quite 100% legitimate.
Lulu allows PDF uploads.
Lulu is buggy and difficult to use. But your ebook doesn't need to be free. Also, it is the only close competitor to Smashwords (for US ...
I know you'll self publish, but I think the information below is still pertinent.
An ISBN (International Standard Book Number) is not required but is
recommended for any book you are offering on iBooks. An ISBN uniquely
identifies the book and its current edition, and helps you to ensure