Rod and Staff Preschool Series are simple, black-and-white workbooks with readiness activities for young children. The A-B-C series is for younger preschoolers, and covers Bible memory, numbers through ten, letter writing, colors, rhyming, sequences, etc. Books G-H-I-J-K-L are for older preschoolers and kindergartners. They review earlier skills and go on to teach numbers through 25, colors, shapes, letters, tracing words, with some thematic content and more. A reader with 60 Bible stories is also available.