
Our Swiss bond
The books in our series make use of a Swiss binding, which means that our books can be looked up on any page and still lie flat on a table.
When scanning the images in the book, it is important to us that the book supports a good and safe scan.

specifications
iOS version 13+
android version 4.3+
64bit system required.
If in doubt, download the Fire Master app here to see if your device supports the app.