Captain Student’s Book + Workbook is a 5-level main coursebook targeting young adults and adult learners. The course is designed with an integrated approach to the development of all four language skills. Each book includes 8 units and 3 or 5 sub-modules in each unit. The series encourages critical thinking as well as real-life experiences through extra-curricular activities. In each unit, Captain Coursebook is supported by Explore the Blue Planet documentaries. The learners are provided with lots of visual and auditory inputs throughout the books. It follows the requirements of the Common European Framework of Reference.