Discover different places that you can sit in the gym in this low-level phonics reading book. Part of Reading Stars Achieve Phonics - our brand-new programme of 98 fully decodable, age-appropriate phonics readers for KS2/KS3 students who are still on their phonics journey - Sat is a Phase 2 book. It introduces the letters and sounds (s, a, t) and uses only the following letters and sounds: s, a, t.