The new English learning series i5 (incredible 5) by Express Publishing consists of 3 levels (i5 1, i5 2, i5 3) corresponding to language levels A1, A2, B1 and is aimed at teenagers. It is a series that captivates young students while also aligning with language proficiency levels.

• Exciting dialogues that engage students
• Practice of written and spoken language, listening comprehension, and reading comprehension in each lesson
• Songs and games
• Exercises that help students develop their critical thinking
• "Green" units that promote environmental respect
• Myths and mysteries that captivate young students