Develop early independent reading in children aged 4-7 with this series of phonic books for beginner readers. By slowly introducing only a few letters and sounds in each unit whilst revising previously taught high-frequency or sight words children gain essential phonics skills as they progress through the series.This pack includes units 4-7 with 4 different books in each unit 16 in total) covering: Unit 4: d e f and v; Unit 5 k l r and u; Unit 6: j w and z Unit 7: x y ff ll ss and zz.