Mashup 2 Style Theme for 3D Book - Version 1.0 Today's free template for flash flipbook creators is the second wave of Mashup style. This is the second Mashup style themes pack, which using some mixed photographs as the book background. Our free templates and themes were designed to help user making professional PDF to flash books. Anyone who has our products can download and apply to your work. Besides, you can also do your own define to downloaded templates.