BloomLibrary.org has books that others have published to the web. You can download a book and make a book from it. If it has audio, that audio is also downloaded as part of the shell book.
You need to have an Internet connection.
Do these steps:
Click the Collections tab.
Click the link called GET MORE SOURCE BOOKS FROM BLOOMLIBRARY.ORG.
The Internet site opens to https://bloomlibrary.org/read.
Use the search box to find a book.
You can read it.
If the author allowed these options, you can also:
Download it into Bloom.
Download it as a PDF, EPUB or BloomPUB file.
Here are videos to help you learn about downloading and then using shell books:
https://vimeo.com/130218714 and https://vimeo.com/129005683.