The problem was that the digital version was created that the last page (back cover) started as page 1. The way the app works is when you rotate the device for example the page 1 will always be on its own and page 2 and 2 will be wrapped together. Now the bad part was that none of the double pages was grouped together because the placement of the back cover in the prog caused now everything to be misaligned. Googe's two double pages was split.