Have you heard of Rod and Staff Books?  They make just about every kind of Christian Storybook, books for every curriculum, and textbooks for every grade and subject, through the tenth grade.  They also have books for Christian Family Living and Doctrinal and Inspirational books, and CD’s.  These books teach not only about Christianity, they teach how the principles of the bible apply to our everyday life.  They even offer dictionaries and a thesaurus, with a religious context.  You can even view samples of their books online to make sure that the text is suitable for the class you want to teach.  They even offer some books for free, so that the teacher or family member can have a chance to work with the books, before they decide to buy them.  They will buy back used books in order for a family, school or organization to be able to purchase the next books, as they progress through a series.  Here is the link if you would like to see these wonderful books for yourself: http://www.rodandstaffbooks.com/list/Rod_and_Staff_Curriculum/?gclid=CIDi27WakpMCFQL1PAodbz0sFw