Open Access Books
Globally, there is a need for OERs in several hundred subjects. Each country needs about 100 for 12 grades, usually divided into semesters, with five subjects taught at a time. Local content is needed for topics such as health, history, geography, literature, civics, and agriculture in more than 190 countries, some of which can share large portions. Materials for learning to speak, read, and write numerous languages are needed.