Word count 24,770 Read at a comfortable level with word count and CEFR level on every cover Illustrations, photos, and diagrams support comprehension Activities build language skills and check understanding Audio improves reading and listening skills Glossaries teach difficult vocabulary Free editable tests for every book Download audio as an MP3
"The most consistent of all series in terms of language control, length, and quality of story."
David R. Hill, Director of the Edinburgh Project on Extensive Reading.
