Rainbow Theme for Flipping PDF Book Pro - Version 1.0 This rainbow theme for PDF to Flipping book Pro designing is free here. There are three templates packed together and you can learn how to use it with the txt document which is called ¡°how-to-install¡±. This rainbow theme is very fresh which bring you a feeling of see the rainbow heaven. The seven colors bring you a colorful mood and makes you a colorful life. The three different templates are fit to the children style books and other brochure like. Just feast your vision with easily installation and simple design. Then you can own a refreshing page-turning book with 3D effects and attract others with its elegant layout.