Каталог: MacMillan Readers Уровни: Starter - A1, 300 key words - British English
Beginner - A1, 600 key words - British English
Elementary - A2, 1100 key words - British and American English
Pre-intermediate - A2-B1, 1400 key words - British and American English
Intermediate - B1, 1600 key words - British and American English
Upper Intermediate - B2, 2200 key words - British and American English
Каталог: Oxford Bookworms Library Dominoes Readers (от Starter до Stage 3)
Уровни: Starter Stage - A1, 250 key words
Stage 1 - Beginner - A1-A2, 400 key words
Stage 2 - Elementary - A2-B1, 700 key words
Stage 3 - Pre-Intermediate - B1, 1000 key words
Stage 4 - Intermediate - B1-B2, 1400 key words
Stage 5 - Upper-Intermediate - B2, 1800 key words
Stage 6 - Advanced - B2-C1, 2500 key words
Каталог: Penguin Longman Readers Уровни: Easystarts - 200 key words
Stage 1 - Beginner - 300 key words
Stage 2 - Elementary - 600 key words
Stage 3 - Pre-Intermediate - 1200 key words
Stage 4 - Intermediate - 1700 key words
Stage 5 - Upper-Intermediate - 2300 key words
Stage 6 - Advanced - 3000 key words
Express Publishing - Readers