Email the Author
You can use this page to email Leanpub Test Books about Demo Leanpub "Package" Book Including a Digital "Extra" File Included with the Book.
About the Book
The is a demo book for a Leanpub Help Center article about how you can add an "Extra" digital file (like a PDF, code sample, lecture video, or audiobook etc.) to your book as a "Package".
When someone buys your book, they will get a link to download the Extra in a zip file.
If you add an Extra to your book, anyone who has purchased your book before will also get access to download the zip file from their Leanpub library.
About the Author
