Texts graded by vocabulary, grammar and readability.
Audio by vocabulary, grammar, speed & clarity of delivery, contextual noise etc
Beginners (IELTS score: 1-2) (CEF) A1 ERF Graded Reader Scale Beginner
Elementary (IELTS score:3/TOEFL IBT Score: 32-42) (CEF) A1/2 ERF Graded Reader Scale Elementary (Early/Mid)
Pre-Intermediate (IELTS score:3.5/TOEFL IBT Score: 43-51) (CEF) A2/B1 ERF Graded Reader Scale Elementary (High) Inter (Early)
Intermediate (IELTS score:4.5/TOEFL IBT Score: 51-61) (CEF) B1/2 ERF Graded Reader Scale Intermediate (Mid/High)
Upper Intermediate (IELTS score:5-6.5/TOEFL IBT Score: 62-91) (CEF) B2 ERF Graded Reader Scale Upper Intermediate
Advanced (IELTS score:6.5-8.5/TOEFL IBT Score: 92-115) (CEF) C1/C2 ERF Graded Reader Scale Advanced