Published 2017. Elementary to Pre-Intermediate CEF level A2/B1 - 700 Headwords Oxford Bookworms enjoy a world-wide reputation for high-quality storytelling and a great reading experience. Research shows reading a lot improves all your language skills.
Experts recognize Oxford Bookworms as the most consistent series in terms of language control, length, and quality of story - very important for fluent reading and extensive reading. There's a wide choice of titles too - something for everyone.