Level 4: The stories are much longer, and introduce more tricky words. Covers all the Jolly Phonics alternative vowel spellings that are used to make words like ‘day’, ‘seat’, ‘night’, ‘snow’, ‘few’, ‘girl’, ‘straw’, ‘boy’ and ‘scowl’. 3 series – Inky Mouse and Friends, General Fiction & Nonfiction 6 different books per series, all 18 titles in Complete Set 16 Pages per book 61 Tricky Words per book 4 Sentences per page (approx) 18 Alternative spellings per book