Pathways Foundation to level 4 by National Geography. 

Pathways: Reading, Writing, and Critical Thinking 1
PATHWAY

Pathways, Second Edition: Reading, Writing, and Critical Thinking 1

 It is a global, five-level academic English program with carefully-guided lessons and explicit reading and writing practice that develops the language skills, critical thinking, and learning strategies required for academic success.

Pathways: Listening, Speaking, and Critical Thinking 1
PATHWAY

Pathways: Listening, Speaking, and Critical Thinking 1

Explicit instruction and practice of note-taking, listening, speaking, grammar, vocabulary, and pronunciation develop language proficiency and build academic skills. Exam-style tasks prepare students for a range of international exams, including TOEFL and IELTS.