Three book reading series contains 20 units structured into 10 thematic topics with 4 pages per each unit Suitable for students in their middle school to early high school. CEFR level: Upper intermediate A2-A2+ Think & Write activities provided at end of the book, which enables students to reflect on key information from the passage. Helps students’ to encounter key vocabularies and improve understanding of concepts and ideas through series of comprehension and writing questions.