Get your students thinking critically. A six-level skills-based English course. Unlock Reading, Writing & Critical Thinking is a six-level, research-informed, academic-light English course created to build the skills and language students need for th eir studies. It develops students ability to think critically in an academic context right from the start of their language learning. Every level has 100% new, inspiring video on a range of academic topics. Critical Thinking sections develop the lowe