Sure is a new 4-level course book for today\u00b4s digitally native and globally aware students. Sure presents involving, contemporary themes integrated within a grammar syllabus aligned with the CEFR and Cambridge English (Key, Preliminary and First) plus Trinity (ISE 0, I and II) exams. Sure is the result of extensive research carried out with students and teachers. Sure is an effective tool for the classroom which also allows students to learn autonomously at home.