Unlock is a four-level academic skills course that combines thought-provoking video from Discovery Education(TM) with carefully scaffolded exercises and a fresh approach to critical thinking skills. Unlock Reading and Writing Skills Level 1 provides 60-90 hours of classroom material. Access to the Online Workbook is provided via a code packaged with the Student's Book. Critical Thinking sections give students frameworks to formulate their own opinions and express themselves effectively in the en...