Dandelion Readers, Extended Code Level 4 - (6 x Sets, 84 Books)

Each book introduces alternative spellings for the vowel sounds, letters and suffixes presented in Phases 5 & 6: 

Book 1: (ue); 2 (u); 3 (o); 4 (s); 5 <c>; 6 (l); 7 (j); 8 <g>; 9 (f); 10 <-ture>; 11 <-tion>; 12 <-ssion & -cian>; 13 <-sure>; 14 <-sion>.