The three books are (1) to read phonics and to prevent dyslexia (2) to spell 13,000 essential words and to end dyslexia (3) to learn to spell 12,000 additional long words.
The books are for adults and children from multiple backgrounds, for schools and teachers, for homeschooling, for ESL students, for beginners, for the intermediate and advanced levels, and for all types of learners.