1. Import PDF: click "File->Import PDF" to add file, the pages will be previewed in the preview box;
2. Settings: in "Design Setting->Book Proportions->Left/ Right page Shadow" to define page spine shadow as you like (the value also takes the value of Book Proportions as reference, and the value interval of "Page Shadow Opacity" is "0~1", the larger value refers to the deeper shadow color), and then click "Apply Change";
3. Convert: click "Convert->Convert To Flipping Book" to choose output mode, the flipbook will be output with your customized layout.
Our other flip products also upgraded the versions with the same functionality, you can choose a proper one for you to use.