Set 4 introduces and reinforces advanced phonics skills, including diphthongs, vowel teams, open syllables, silent letters, and high-frequency sight words.

This set is ideal for children in kindergarten through 2nd grade who have already developed a strong foundation with earlier phonics concepts, such as those taught in Sets 1–3.

While not required, Sets 1–3 are recommended for readers who are still mastering short vowels, long vowels, r-controlled vowels, and basic syllable types. Set 4 builds on these earlier skills with more advanced patterns.

Yes. The Little Lions Decodable Books series is rooted in the Science of Reading (SOR) and supports structured literacy instruction.

These books are excellent for both home and classroom use. Parents, tutors, and educators can use them for individual or small-group reading practice.

The set weighs 3.5 lbs and measures 6.5 × 2.5 × 9.5 inches, and comes in a slipcase, making it compact and easy to store.