16 PRINTED TEACHING MATERIALS USED IN COURSES FOR THE INSTRUCTION OF YOUNG CHILDREN-NAMELY, PRINTED BOOKS FOR STUDENTS, PRINTED INSTRUCTION BOOKS FOR TEACHERS, PRINTED WORKSHEET BOOKS, PRINTED NOTEBOOKS AND LOOSE-LEAF NOTEBOOK SHEETS FOR RECORDING PUPIL ACTIVITIES, SKILLS, ABILITIES AND THE LIKE, PRINTED CROSSWORD PUZZLE BOOKS, PRINTED ACTIVITY CARDS, CONFERENCE CARDS AND WALL CHARTS USED AS TEACHING AIDS, AND PRINTED READING LOGS FOR CHILDREN