Science Decodables Phase 5 Non-Fiction - 6 PackDescription Letter Sounds Sample Book Science Vowel Sounds readers introduces 20 letter patterns, mainly focusing on alternative vowel sounds. They also have a strictly controlled vocabulary that follows the letter by letter progression along with tricky words. The set includes 6 x 12 non fiction readers with clear photographic images. Curriculum Topic Human Science Year 1 Age 5+ Book Band Fluency 1 (Orange) Guided Reading Level G K Reading Level 12