You have just created a book and want to create a video animation for it to promote it. The challenge is it is not easy. Either you need to learn Adobe After Effects or hire someone who knows it. Both are costly options. I had recently completed my Power Journal and wanted to make a 3D Animation Promo Video where I can bring the book alive. I had to dig a lot to find the best answer but what I found makes the effort worth it. Here is a detailed video of the option and how it works.
Here is my video Review:
