How is your product licensed? Is it per e-book/website or is it priced by the number of users?
Each purchase provides you with a Single-User license.
You can make unlimited flipping book on your one website when you buy Personal License. In other words, you are able to use My Page Flip for unlimited publications in one website (1 domain name or subdomain) with Personal Licenses. You can use unlimited My Page Flip in up to three websites (3 domain names or subdomians) with Business License and in up to ten websites (ten domain names or subdomians) with Enterprise License. If you want to use My Page Flip under unlimited number of websites, you have to Corporate License.