#flamingofriday Each Color Book Set has 12 books which can be used as is, or you may mix up the pages to increase difficulty, and to differentiate instruction.That makes over 132 books to read as is, or mix and recreate, to fit your needs!Each Color Book Set uses the same pictures, so you can differentiate the level, and not have to change the pictures.Each Color Book Set includes differentiated Flash Cards which can be used for:- Word work, sentence building, partner practice, reading/learning