18 books • 13 series
Book #1: Classic Curriculum: Arithmetic, Book 1
Book #2: Classic Curriculum: Arithmetic, Book 2
Book #3: Classic Curriculum: Arithmetic, Book 3
Book #4: Ray's New Arithmetic Workbook
Book #2: Ray's New Primary Arithmetic Workbook
Book #4: Classic Curriculum: Arithmetic, Book 4
Book #4: Ray's New Intellectual Arithmetic Workbook
Book #3: Classic Curriculum: Reading, Book 3
Book #4: Classic Curriculum: Reading, Book 4
Book #1: Classic Curriculum: Reading, Book 1
Book #2: Classic Curriculum: Reading, Book 2
Book #2: McGuffey's Reading Workbook
Book #3: McGuffey's Reading Workbook
Book #1: Classic Curriculum: Writing, Book 1
Book #2: Classic Curriculum: Writing, Book 2
Book #3: Classic Curriculum: Writing, Book 3
Book #4: Classic Curriculum: Writing, Book 4