We learned not to say everyone is intitled to their own opinion but irregardless we get irritible with little books like this which begin with rhymes (""When suffixes begin with vowels/ Silent e grabs crying towels) and procedes to rules and ends with quizzes after you have siezed the principals and memorized the dittys and some fifty words mispeled and common grammar mistakes like like and as. At the end is a little vocabulary extension where we found a new word--rudimentary.