Sound Families Long Vowels Non-fiction Phase 5.5Includes 12 non fiction readers with clear photographic images. Covers long vowel sounds: ai , ee , igh , oa , oo , y oo . Provides two titles for each target sound. Presents alternative spellings (graphemes) for each sound. Highlights the target sound in the text for quick identification. Enables comparison of spellings across each sound family. Contains words decodable at the phase level. Includes common exception words aligned with the progression.