Her process has been instrumental in helping students of all ages better understand the alphabetic principle - the knowledge that there are systematic and predictable relationships between written letters (graphemes) and spoken sounds (phonemes). Kathryn Grace is best known as the originator of Phoneme-Grapheme Mapping (PGM) which she created in 1983 while teaching in her Vermont classroom. Really Great Reading has added another dedicated practitioner, professional developer, consultant, and author to our collaborative team.
