The series has been created with the focus to equip and endow the learners and Olympiad aspirants with every nuance of the English language and its usage. Based on the IEO exam guidelines and syllabus, Olympiad English Challenger has the following key features: Meticulously graded Clear definitions Specific grammar rules Useful word lists A varied range of structured and concept-oriented practice exercises for the reinforcement of concepts Constructive tips and notes for the facilitator Scholar’s challenge section to trigger off our ‘Achievers’ Sample Test Papers after an interval of 3-4 topics for thorough preparedness Model Test Papers at the end of each book for a ringside experience of the real Test Separate answer key