Workbook for Grade 1 Reading 2nd Edition (1985-1986). This edition is not compatible with the current 3rd edition (2016).
Includes 30 lessons plus 6 pre-reading lessons. There are two pages for each lesson. Unit 1 teaches the basic single consonant sounds as well as the short and long vowel sounds. It is designed to be used parallel with the reader and reading workbook.
The teacher's manual contains the instructions and answers.