Modern Curriculum Press Skillboosters English Level D Set of 4 1975 Homeschool

This is a set of 4 Modern Curriculum Press Skillboosters, Level D which is around 3rd and 4th grade from 1975. This textbook have light shelf wear but have never been used and are free of damage or defects. The three books are Building Word Power, Using References, Organizing Information, and Working with Facts & Detail. If vintage grade school math textbooks and vintage classroom items interest you, please check my store and give me a follow. I have things for those teaching homeschool, grade school teachers, preschool teachers, and collectors. I have an entire basement of teaching and classroom books, games, wall hangs, and other decor that is being listed.  If you are seeking something specific, please let me know.